155130647 has 16 divisors (see below), whose sum is σ = 182131200. Its totient is φ = 129386400.

The previous prime is 155130643. The next prime is 155130667. The reversal of 155130647 is 746031551.

It is a cyclic number.

It is not a de Polignac number, because 155130647 - 2² = 155130643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155130643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39854 + ... + 43572.

It is an arithmetic number, because the mean of its divisors is an integer number (11383200).

Almost surely, 2^155130647 is an apocalyptic number.

155130647 is a deficient number, since it is larger than the sum of its proper divisors (27000553).

155130647 is a wasteful number, since it uses less digits than its factorization.

155130647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 155130647 is about 12455.1454026037. The cubic root of 155130647 is about 537.3194166755.

The spelling of 155130647 in words is "one hundred fifty-five million, one hundred thirty thousand, six hundred forty-seven".