155764036 has 6 divisors (see below), whose sum is σ = 272587070. Its totient is φ = 77882016.

The previous prime is 155764031. The next prime is 155764093. The reversal of 155764036 is 630467551.

155764036 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 151437636 + 4326400 = 12306^2 + 2080^2 .

It is a super-2 number, since 2×155764036² = 48524869822018592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155763986 and 155764004.

It is not an unprimeable number, because it can be changed into a prime (155764031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19470501 + ... + 19470508.

Almost surely, 2^155764036 is an apocalyptic number.

It is an amenable number.

155764036 is a deficient number, since it is larger than the sum of its proper divisors (116823034).

155764036 is a wasteful number, since it uses less digits than its factorization.

155764036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38941013 (or 38941011 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 155764036 is about 12480.5463021456. The cubic root of 155764036 is about 538.0497045052.

The spelling of 155764036 in words is "one hundred fifty-five million, seven hundred sixty-four thousand, thirty-six".