155202630 has 64 divisors (see below), whose sum is σ = 416295936. Its totient is φ = 36704000.

The previous prime is 155202629. The next prime is 155202631. The reversal of 155202630 is 36202551.

155202630 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 (155202629) and next prime (155202631).

It is a self number, because there is not a number n which added to its sum of digits gives 155202630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155202631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7795 + ... + 19265.

It is an arithmetic number, because the mean of its divisors is an integer number (6504624).

Almost surely, 2^155202630 is an apocalyptic number.

155202630 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 155202630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208147968).

155202630 is an abundant number, since it is smaller than the sum of its proper divisors (261093306).

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

155202630 is a wasteful number, since it uses less digits than its factorization.

155202630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11533.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 155202630 is about 12458.0347567343. The cubic root of 155202630 is about 537.4025119750.

The spelling of 155202630 in words is "one hundred fifty-five million, two hundred two thousand, six hundred thirty".