155651130 has 24 divisors (see below), whose sum is σ = 404693172. Its totient is φ = 41506944.

The previous prime is 155651123. The next prime is 155651137. The reversal of 155651130 is 31156551.

155651130 is a `hidden beast` number, since 1 + 5 + 5 + 651 + 1 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (155651123) and next prime (155651137).

It can be written as a sum of positive squares in 2 ways, for example, as 154330929 + 1320201 = 12423^2 + 1149^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155651094 and 155651103.

It is not an unprimeable number, because it can be changed into a prime (155651137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 864639 + ... + 864818.

Almost surely, 2^155651130 is an apocalyptic number.

155651130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155651130 is an abundant number, since it is smaller than the sum of its proper divisors (249042042).

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

155651130 is a wasteful number, since it uses less digits than its factorization.

155651130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729470 (or 1729467 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 155651130 is about 12476.0222026093. The cubic root of 155651130 is about 537.9196708007.

The spelling of 155651130 in words is "one hundred fifty-five million, six hundred fifty-one thousand, one hundred thirty".