156440600 has 48 divisors (see below), whose sum is σ = 369715920. Its totient is φ = 61545600.

The previous prime is 156440597. The next prime is 156440633. The reversal of 156440600 is 6044651.

It is a happy number.

It is a super-2 number, since 2×156440600² = 48947322656720000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156440600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5789 + ... + 18611.

It is an arithmetic number, because the mean of its divisors is an integer number (7702415).

Almost surely, 2^156440600 is an apocalyptic number.

156440600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156440600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184857960).

156440600 is an abundant number, since it is smaller than the sum of its proper divisors (213275320).

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

156440600 is a wasteful number, since it uses less digits than its factorization.

156440600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12900 (or 12891 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 156440600 is about 12507.6216764020. The cubic root of 156440600 is about 538.8275889854.

The spelling of 156440600 in words is "one hundred fifty-six million, four hundred forty thousand, six hundred".