156383397 has 24 divisors (see below), whose sum is σ = 228766200. Its totient is φ = 102936960.

The previous prime is 156383369. The next prime is 156383401. The reversal of 156383397 is 793383651.

156383397 is a `hidden beast` number, since 1 + 5 + 638 + 3 + 3 + 9 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19633761 + 136749636 = 4431^2 + 11694^2 .

It is not a de Polignac number, because 156383397 - 2⁶ = 156383333 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156383317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371247 + ... + 371667.

It is an arithmetic number, because the mean of its divisors is an integer number (9531925).

Almost surely, 2^156383397 is an apocalyptic number.

It is an amenable number.

156383397 is a deficient number, since it is larger than the sum of its proper divisors (72382803).

156383397 is a wasteful number, since it uses less digits than its factorization.

156383397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 850 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 156383397 is about 12505.3347416213. The cubic root of 156383397 is about 538.7619063086.

The spelling of 156383397 in words is "one hundred fifty-six million, three hundred eighty-three thousand, three hundred ninety-seven".