155430437252 has 12 divisors (see below), whose sum is σ = 272007516480. Its totient is φ = 77714003976.

The previous prime is 155430437237. The next prime is 155430437299. The reversal of 155430437252 is 252734034551.

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, 23393 + ... + 558039.

It is an arithmetic number, because the mean of its divisors is an integer number (22667293040).

Almost surely, 2^155430437252 is an apocalyptic number.

It is an amenable number.

155430437252 is a deficient number, since it is larger than the sum of its proper divisors (116577079228).

155430437252 is a wasteful number, since it uses less digits than its factorization.

155430437252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607330 (or 607328 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 155430437252 in words is "one hundred fifty-five billion, four hundred thirty million, four hundred thirty-seven thousand, two hundred fifty-two".