155120152 has 32 divisors (see below), whose sum is σ = 318196800. Its totient is φ = 70308000.

The previous prime is 155120137. The next prime is 155120153. The reversal of 155120152 is 251021551.

It is a happy number.

155120152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155120153) 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, 31027 + ... + 35677.

It is an arithmetic number, because the mean of its divisors is an integer number (9943650).

Almost surely, 2^155120152 is an apocalyptic number.

It is an amenable number.

155120152 is an abundant number, since it is smaller than the sum of its proper divisors (163076648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155120152 is a wasteful number, since it uses less digits than its factorization.

155120152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047 (or 5043 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 155120152 is about 12454.7240836560. The cubic root of 155120152 is about 537.3072993740.

The spelling of 155120152 in words is "one hundred fifty-five million, one hundred twenty thousand, one hundred fifty-two".