155612260 has 24 divisors (see below), whose sum is σ = 338055480. Its totient is φ = 60098304.

The previous prime is 155612239. The next prime is 155612279. The reversal of 155612260 is 62216551.

155612260 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 41165056 + 114447204 = 6416^2 + 10698^2 .

155612260 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133569 + ... + 134728.

It is an arithmetic number, because the mean of its divisors is an integer number (14085645).

Almost surely, 2^155612260 is an apocalyptic number.

155612260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155612260 is an abundant number, since it is smaller than the sum of its proper divisors (182443220).

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

155612260 is a wasteful number, since it uses less digits than its factorization.

155612260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268335 (or 268333 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 155612260 is about 12474.4643171561. The cubic root of 155612260 is about 537.8748897181.

The spelling of 155612260 in words is "one hundred fifty-five million, six hundred twelve thousand, two hundred sixty".