156457400 has 144 divisors (see below), whose sum is σ = 420944040. Its totient is φ = 53625600.

The previous prime is 156457397. The next prime is 156457417. The reversal of 156457400 is 4754651.

156457400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 794102 + ... + 794298.

Almost surely, 2^156457400 is an apocalyptic number.

156457400 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 156457400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210472020).

156457400 is an abundant number, since it is smaller than the sum of its proper divisors (264486640).

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

156457400 is a wasteful number, since it uses less digits than its factorization.

156457400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 156457400 is about 12508.2932488809. The cubic root of 156457400 is about 538.8468763475.

The spelling of 156457400 in words is "one hundred fifty-six million, four hundred fifty-seven thousand, four hundred".