155542152 has 32 divisors (see below), whose sum is σ = 393782400. Its totient is φ = 51190464.

The previous prime is 155542139. The next prime is 155542183. The reversal of 155542152 is 251245551.

It is a super-2 number, since 2×155542152² = 48386722097582208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39123 + ... + 42914.

It is an arithmetic number, because the mean of its divisors is an integer number (12305700).

Almost surely, 2^155542152 is an apocalyptic number.

155542152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155542152 is an abundant number, since it is smaller than the sum of its proper divisors (238240248).

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

155542152 is a wasteful number, since it uses less digits than its factorization.

155542152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82125 (or 82121 counting only the distinct ones).

The product of its digits is 10000, while the sum is 30.

The square root of 155542152 is about 12471.6539400354. The cubic root of 155542152 is about 537.7941013165.

The spelling of 155542152 in words is "one hundred fifty-five million, five hundred forty-two thousand, one hundred fifty-two".