155155412 has 24 divisors (see below), whose sum is σ = 274240512. Its totient is φ = 76805600.

The previous prime is 155155411. The next prime is 155155421. The reversal of 155155412 is 214551551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155155411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237278 + ... + 237930.

It is an arithmetic number, because the mean of its divisors is an integer number (11426688).

Almost surely, 2^155155412 is an apocalyptic number.

It is an amenable number.

155155412 is a deficient number, since it is larger than the sum of its proper divisors (119085100).

155155412 is a wasteful number, since it uses less digits than its factorization.

155155412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159 (or 1157 counting only the distinct ones).

The product of its digits is 5000, while the sum is 29.

The square root of 155155412 is about 12456.1395303681. The cubic root of 155155412 is about 537.3480076461.

The spelling of 155155412 in words is "one hundred fifty-five million, one hundred fifty-five thousand, four hundred twelve".