155723896 has 16 divisors (see below), whose sum is σ = 292399200. Its totient is φ = 77750784.

The previous prime is 155723891. The next prime is 155723903. The reversal of 155723896 is 698327551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155723891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7785 + ... + 19288.

It is an arithmetic number, because the mean of its divisors is an integer number (18274950).

Almost surely, 2^155723896 is an apocalyptic number.

It is an amenable number.

155723896 is a deficient number, since it is larger than the sum of its proper divisors (136675304).

155723896 is a wasteful number, since it uses less digits than its factorization.

155723896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27798 (or 27794 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 155723896 is about 12478.9380958477. The cubic root of 155723896 is about 538.0034825164.

The spelling of 155723896 in words is "one hundred fifty-five million, seven hundred twenty-three thousand, eight hundred ninety-six".