145630161656 has 32 divisors (see below), whose sum is σ = 312076908000. Its totient is φ = 62410471296.

The previous prime is 145630161653. The next prime is 145630161659. The reversal of 145630161656 is 656161036541.

It is an interprime number because it is at equal distance from previous prime (145630161653) and next prime (145630161659).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145630161653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615030 + ... + 2670138.

It is an arithmetic number, because the mean of its divisors is an integer number (9752403375).

Almost surely, 2^145630161656 is an apocalyptic number.

It is an amenable number.

145630161656 is an abundant number, since it is smaller than the sum of its proper divisors (166446746344).

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

145630161656 is a wasteful number, since it uses less digits than its factorization.

145630161656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102311 (or 102307 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 145630161656 in words is "one hundred forty-five billion, six hundred thirty million, one hundred sixty-one thousand, six hundred fifty-six".