155372052 has 48 divisors (see below), whose sum is σ = 396555264. Its totient is φ = 46956000.

The previous prime is 155372051. The next prime is 155372059. The reversal of 155372052 is 250273551.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155372051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55527 + ... + 58257.

It is an arithmetic number, because the mean of its divisors is an integer number (8261568).

Almost surely, 2^155372052 is an apocalyptic number.

155372052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155372052 is an abundant number, since it is smaller than the sum of its proper divisors (241183212).

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

155372052 is a wasteful number, since it uses less digits than its factorization.

155372052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3178 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 155372052 is about 12464.8326101878. The cubic root of 155372052 is about 537.5979869672.

The spelling of 155372052 in words is "one hundred fifty-five million, three hundred seventy-two thousand, fifty-two".