155375250 has 64 divisors (see below), whose sum is σ = 389975040. Its totient is φ = 41203200.

The previous prime is 155375203. The next prime is 155375267. The reversal of 155375250 is 52573551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166786 + ... + 167714.

It is an arithmetic number, because the mean of its divisors is an integer number (6093360).

Almost surely, 2^155375250 is an apocalyptic number.

155375250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155375250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194987520).

155375250 is an abundant number, since it is smaller than the sum of its proper divisors (234599790).

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

155375250 is a wasteful number, since it uses less digits than its factorization.

155375250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 155375250 is about 12464.9608904320. The cubic root of 155375250 is about 537.6016753752.

The spelling of 155375250 in words is "one hundred fifty-five million, three hundred seventy-five thousand, two hundred fifty".