156400847 has 8 divisors (see below), whose sum is σ = 162429696. Its totient is φ = 150480792.

The previous prime is 156400841. The next prime is 156400877. The reversal of 156400847 is 748004651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156400847 is a prime.

It is a super-2 number, since 2×156400847² = 48922449884634818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156400841) 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, 24263 + ... + 30024.

It is an arithmetic number, because the mean of its divisors is an integer number (20303712).

Almost surely, 2^156400847 is an apocalyptic number.

156400847 is a deficient number, since it is larger than the sum of its proper divisors (6028849).

156400847 is an equidigital number, since it uses as much as digits as its factorization.

156400847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54397.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 156400847 is about 12506.0324243942. The cubic root of 156400847 is about 538.7819447649.

The spelling of 156400847 in words is "one hundred fifty-six million, four hundred thousand, eight hundred forty-seven".