155430652 has 36 divisors (see below), whose sum is σ = 304078656. Its totient is φ = 69413760.

The previous prime is 155430641. The next prime is 155430679. The reversal of 155430652 is 256034551.

It is a super-2 number, since 2×155430652² = 48317375162290208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17248 + ... + 24664.

Almost surely, 2^155430652 is an apocalyptic number.

It is an amenable number.

155430652 is a deficient number, since it is larger than the sum of its proper divisors (148648004).

155430652 is a wasteful number, since it uses less digits than its factorization.

155430652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7478 (or 7463 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 155430652 is about 12467.1830017851. The cubic root of 155430652 is about 537.6655651489.

The spelling of 155430652 in words is "one hundred fifty-five million, four hundred thirty thousand, six hundred fifty-two".