156243452 has 24 divisors (see below), whose sum is σ = 284790240. Its totient is φ = 74934720.

The previous prime is 156243449. The next prime is 156243473. The reversal of 156243452 is 254342651.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3074 + ... + 17942.

It is an arithmetic number, because the mean of its divisors is an integer number (11866260).

Almost surely, 2^156243452 is an apocalyptic number.

It is an amenable number.

156243452 is a deficient number, since it is larger than the sum of its proper divisors (128546788).

156243452 is a wasteful number, since it uses less digits than its factorization.

156243452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14981 (or 14979 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 156243452 is about 12499.7380772559. The cubic root of 156243452 is about 538.6011485424.

The spelling of 156243452 in words is "one hundred fifty-six million, two hundred forty-three thousand, four hundred fifty-two".