345631656156 has 24 divisors (see below), whose sum is σ = 825229071744. Its totient is φ = 112531236720.

The previous prime is 345631656109. The next prime is 345631656157. The reversal of 345631656156 is 651656136543.

It is a super-2 number, since 2×345631656156² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345631656099 and 345631656108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345631656157) 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, 334913880 + ... + 334914911.

It is an arithmetic number, because the mean of its divisors is an integer number (34384544656).

Almost surely, 2^345631656156 is an apocalyptic number.

It is an amenable number.

345631656156 is an abundant number, since it is smaller than the sum of its proper divisors (479597415588).

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

345631656156 is a wasteful number, since it uses less digits than its factorization.

345631656156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669828841 (or 669828839 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 51.

The spelling of 345631656156 in words is "three hundred forty-five billion, six hundred thirty-one million, six hundred fifty-six thousand, one hundred fifty-six".