155242524 has 12 divisors (see below), whose sum is σ = 362232584. Its totient is φ = 51747504.

The previous prime is 155242519. The next prime is 155242531. The reversal of 155242524 is 425242551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 155242491 and 155242500.

It is a congruent number.

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, 6468427 + ... + 6468450.

Almost surely, 2^155242524 is an apocalyptic number.

It is an amenable number.

155242524 is an abundant number, since it is smaller than the sum of its proper divisors (206990060).

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

155242524 is a wasteful number, since it uses less digits than its factorization.

155242524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12936884 (or 12936882 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 155242524 is about 12459.6357892195. The cubic root of 155242524 is about 537.4485535040.

The spelling of 155242524 in words is "one hundred fifty-five million, two hundred forty-two thousand, five hundred twenty-four".