155204260 has 12 divisors (see below), whose sum is σ = 325928988. Its totient is φ = 62081696.

The previous prime is 155204251. The next prime is 155204261. The reversal of 155204260 is 62402551.

It can be written as a sum of positive squares in 2 ways, for example, as 65674816 + 89529444 = 8104^2 + 9462^2 .

It is not an unprimeable number, because it can be changed into a prime (155204261) 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, 3880087 + ... + 3880126.

It is an arithmetic number, because the mean of its divisors is an integer number (27160749).

Almost surely, 2^155204260 is an apocalyptic number.

155204260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155204260 is an abundant number, since it is smaller than the sum of its proper divisors (170724728).

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

155204260 is a wasteful number, since it uses less digits than its factorization.

155204260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7760222 (or 7760220 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 155204260 is about 12458.1001761906. The cubic root of 155204260 is about 537.4043933070.

The spelling of 155204260 in words is "one hundred fifty-five million, two hundred four thousand, two hundred sixty".