155544652 has 12 divisors (see below), whose sum is σ = 278842536. Its totient is φ = 75875360.

The previous prime is 155544637. The next prime is 155544689. The reversal of 155544652 is 256445551.

It is a super-2 number, since 2×155544652² = 48388277531602208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474058 + ... + 474385.

It is an arithmetic number, because the mean of its divisors is an integer number (23236878).

Almost surely, 2^155544652 is an apocalyptic number.

It is an amenable number.

155544652 is a deficient number, since it is larger than the sum of its proper divisors (123297884).

155544652 is a wasteful number, since it uses less digits than its factorization.

155544652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948488 (or 948486 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 155544652 is about 12471.7541669165. The cubic root of 155544652 is about 537.7969825892.

The spelling of 155544652 in words is "one hundred fifty-five million, five hundred forty-four thousand, six hundred fifty-two".