155155156 has 24 divisors (see below), whose sum is σ = 293092520. Its totient is φ = 71442432.

The previous prime is 155155153. The next prime is 155155163. The reversal of 155155156 is 651551551.

It can be written as a sum of positive squares in 4 ways, for example, as 3865156 + 151290000 = 1966^2 + 12300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155155153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20500 + ... + 27028.

Almost surely, 2^155155156 is an apocalyptic number.

It is an amenable number.

155155156 is a deficient number, since it is larger than the sum of its proper divisors (137937364).

155155156 is a wasteful number, since it uses less digits than its factorization.

155155156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003 (or 7001 counting only the distinct ones).

The product of its digits is 18750, while the sum is 34.

The square root of 155155156 is about 12456.1292543069. The cubic root of 155155156 is about 537.3477121120.

The spelling of 155155156 in words is "one hundred fifty-five million, one hundred fifty-five thousand, one hundred fifty-six".