155000372 has 12 divisors (see below), whose sum is σ = 280000896. Its totient is φ = 75000120.

The previous prime is 155000371. The next prime is 155000383. The reversal of 155000372 is 273000551.

155000372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155000371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624878 + ... + 625125.

It is an arithmetic number, because the mean of its divisors is an integer number (23333408).

Almost surely, 2^155000372 is an apocalyptic number.

It is an amenable number.

155000372 is a deficient number, since it is larger than the sum of its proper divisors (125000524).

155000372 is a wasteful number, since it uses less digits than its factorization.

155000372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250038 (or 1250036 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 155000372 is about 12449.9145378593. The cubic root of 155000372 is about 537.1689652290.

The spelling of 155000372 in words is "one hundred fifty-five million, three hundred seventy-two", and thus it is an aban number.