156461400 has 72 divisors (see below), whose sum is σ = 525455580. Its totient is φ = 41722560.

The previous prime is 156461381. The next prime is 156461407. The reversal of 156461400 is 4164651.

156461400 is a `hidden beast` number, since 1 + 5 + 646 + 14 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156461407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41662 + ... + 45261.

Almost surely, 2^156461400 is an apocalyptic number.

156461400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156461400 is an abundant number, since it is smaller than the sum of its proper divisors (368994180).

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

156461400 is a wasteful number, since it uses less digits than its factorization.

156461400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86945 (or 86933 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 156461400 is about 12508.4531417758. The cubic root of 156461400 is about 538.8514683730.

The spelling of 156461400 in words is "one hundred fifty-six million, four hundred sixty-one thousand, four hundred".