155057156 has 6 divisors (see below), whose sum is σ = 271350030. Its totient is φ = 77528576.

The previous prime is 155057137. The next prime is 155057159. The reversal of 155057156 is 651750551.

155057156 is digitally balanced in base 2, 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., 144817156 + 10240000 = 12034^2 + 3200^2 .

It is not an unprimeable number, because it can be changed into a prime (155057159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19382141 + ... + 19382148.

It is an arithmetic number, because the mean of its divisors is an integer number (45225005).

Almost surely, 2^155057156 is an apocalyptic number.

It is an amenable number.

155057156 is a deficient number, since it is larger than the sum of its proper divisors (116292874).

155057156 is a wasteful number, since it uses less digits than its factorization.

155057156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38764293 (or 38764291 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 35.

The square root of 155057156 is about 12452.1948266159. The cubic root of 155057156 is about 537.2345540574.

The spelling of 155057156 in words is "one hundred fifty-five million, fifty-seven thousand, one hundred fifty-six".