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145245660225012 = 2232101122693255893
BaseRepresentation
bin100001000001100110100011…
…111110111001110111110100
3201001021100102210102010000200
4201001212203332321313310
5123014201103004200022
61232524533554440500
742410436601354614
oct4101464376716764
9631240383363020
10145245660225012
114230937a717856
12143596b9893130
1363077b7729049
1427c1cdad66a44
1511bd28da37bac
hex8419a3fb9df4

145245660225012 has 72 divisors (see below), whose sum is σ = 370814223485160. Its totient is φ = 47931939667200.

The previous prime is 145245660224981. The next prime is 145245660225023. The reversal of 145245660225012 is 210522066542541.

145245660225012 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 4 + 5 + 6 + 602 + 25 + 0 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 62173445780196 + 83072214444816 = 7885014^2 + 9114396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42982138 + ... + 46238030.

It is an arithmetic number, because the mean of its divisors is an integer number (5150197548405).

Almost surely, 2145245660225012 is an apocalyptic number.

145245660225012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145245660225012 is an abundant number, since it is smaller than the sum of its proper divisors (225568563260148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145245660225012 is a wasteful number, since it uses less digits than its factorization.

145245660225012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268273 (or 3268268 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 145245660225012 in words is "one hundred forty-five trillion, two hundred forty-five billion, six hundred sixty million, two hundred twenty-five thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 101 202 303 404 606 909 1212 1818 3636 12269 24538 36807 49076 73614 110421 147228 220842 441684 1239169 2478338 3255893 3717507 4956676 6511786 7435014 9767679 11152521 13023572 14870028 19535358 22305042 29303037 39070716 44610084 58606074 117212148 328845193 657690386 986535579 1315380772 1973071158 2959606737 3946142316 5919213474 11838426948 39946551217 79893102434 119839653651 159786204868 239679307302 359518960953 479358614604 719037921906 1438075843812 4034601672917 8069203345834 12103805018751 16138406691668 24207610037502 36311415056253 48415220075004 72622830112506 145245660225012