155024502452 has 24 divisors (see below), whose sum is σ = 272883950976. Its totient is φ = 77058206208.

The previous prime is 155024502419. The next prime is 155024502469. The reversal of 155024502452 is 254205420551.

It is a congruent number.

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, 1080443 + ... + 1215485.

It is an arithmetic number, because the mean of its divisors is an integer number (11370164624).

Almost surely, 2^155024502452 is an apocalyptic number.

It is an amenable number.

155024502452 is a deficient number, since it is larger than the sum of its proper divisors (117859448524).

155024502452 is a wasteful number, since it uses less digits than its factorization.

155024502452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136727 (or 136725 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 155024502452 in words is "one hundred fifty-five billion, twenty-four million, five hundred two thousand, four hundred fifty-two".