156497652 has 36 divisors (see below), whose sum is σ = 396175780. Its totient is φ = 52088832.

The previous prime is 156497651. The next prime is 156497669. The reversal of 156497652 is 256794651.

156497652 is a `hidden beast` number, since 156 + 497 + 6 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 93199716 + 63297936 = 9654^2 + 7956^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 156497598 and 156497607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156497651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24858 + ... + 30510.

Almost surely, 2^156497652 is an apocalyptic number.

156497652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156497652 is an abundant number, since it is smaller than the sum of its proper divisors (239678128).

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

156497652 is a wasteful number, since it uses less digits than its factorization.

156497652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432 (or 6427 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 156497652 is about 12509.9021578908. The cubic root of 156497652 is about 538.8930823322.

The spelling of 156497652 in words is "one hundred fifty-six million, four hundred ninety-seven thousand, six hundred fifty-two".