155235250 has 32 divisors (see below), whose sum is σ = 292211712. Its totient is φ = 61750000.

The previous prime is 155235247. The next prime is 155235253. The reversal of 155235250 is 52532551.

155235250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155235247) and next prime (155235253).

It is not an unprimeable number, because it can be changed into a prime (155235253) 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, 46125 + ... + 49375.

It is an arithmetic number, because the mean of its divisors is an integer number (9131616).

Almost surely, 2^155235250 is an apocalyptic number.

155235250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155235250 is a deficient number, since it is larger than the sum of its proper divisors (136976462).

155235250 is a wasteful number, since it uses less digits than its factorization.

155235250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459 (or 3449 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 155235250 is about 12459.3438832067. The cubic root of 155235250 is about 537.4401591935.

The spelling of 155235250 in words is "one hundred fifty-five million, two hundred thirty-five thousand, two hundred fifty".