155047156 has 12 divisors (see below), whose sum is σ = 295999200. Its totient is φ = 70475960.

The previous prime is 155047141. The next prime is 155047169. The reversal of 155047156 is 651740551.

155047156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761856 + ... + 1761943.

It is an arithmetic number, because the mean of its divisors is an integer number (24666600).

Almost surely, 2^155047156 is an apocalyptic number.

It is an amenable number.

155047156 is a deficient number, since it is larger than the sum of its proper divisors (140952044).

155047156 is a wasteful number, since it uses less digits than its factorization.

155047156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523814 (or 3523812 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 155047156 is about 12451.7932845032. The cubic root of 155047156 is about 537.2230046366.

The spelling of 155047156 in words is "one hundred fifty-five million, forty-seven thousand, one hundred fifty-six".