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145330445201631 = 31715121871862861
BaseRepresentation
bin100001000010110101100001…
…100011111011000011011111
3201001120110021121022011221220
4201002311201203323003133
5123022043222432423011
61233031515043024423
742416530624645434
oct4102654143730337
9631513247264856
10145330445201631
1142341328617668
121437202006b113
1363127a9ca5271
1427c60613cdb8b
1511c05a2137506
hex842d618fb0df

145330445201631 has 32 divisors (see below), whose sum is σ = 206540833314816. Its totient is φ = 90579591360000.

The previous prime is 145330445201629. The next prime is 145330445201639. The reversal of 145330445201631 is 136102544033541.

145330445201631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145330445201631 - 21 = 145330445201629 is a prime.

It is a super-2 number, since 2×1453304452016312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145330445201639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167997141 + ... + 168860001.

It is an arithmetic number, because the mean of its divisors is an integer number (6454401041088).

Almost surely, 2145330445201631 is an apocalyptic number.

145330445201631 is a deficient number, since it is larger than the sum of its proper divisors (61210388113185).

145330445201631 is a wasteful number, since it uses less digits than its factorization.

145330445201631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884903.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 145330445201631 in words is "one hundred forty-five trillion, three hundred thirty billion, four hundred forty-five million, two hundred one thousand, six hundred thirty-one".

Divisors: 1 3 17 51 151 453 2567 7701 21871 65613 371807 862861 1115421 2588583 3302521 9907563 14668637 44005911 56142857 130292011 168428571 390876033 2214964187 6644892561 18871632931 56614898793 320817759827 962453279481 2849616572581 8548849717743 48443481733877 145330445201631