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145405874572 = 2272741866707
BaseRepresentation
bin1000011101101011011…
…1011001000110001100
3111220022120210202112221
42013122313121012030
54340242400441242
6150444252305124
713335202353400
oct2073267310614
9456276722487
10145405874572
1156736909782
12242201721a4
131093383b04a
147075583100
153bb05ec167
hex21dadd918c

145405874572 has 18 divisors (see below), whose sum is σ = 296004816492. Its totient is φ = 62316803304.

The previous prime is 145405874567. The next prime is 145405874587. The reversal of 145405874572 is 275478504541.

145405874572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1454058745722 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370933158 + ... + 370933549.

Almost surely, 2145405874572 is an apocalyptic number.

It is an amenable number.

145405874572 is an abundant number, since it is smaller than the sum of its proper divisors (150598941920).

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

145405874572 is a wasteful number, since it uses less digits than its factorization.

145405874572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741866725 (or 741866716 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 52.

The spelling of 145405874572 in words is "one hundred forty-five billion, four hundred five million, eight hundred seventy-four thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 49 98 196 741866707 1483733414 2967466828 5193066949 10386133898 20772267796 36351468643 72702937286 145405874572