155254531532 has 6 divisors (see below), whose sum is σ = 271695430188. Its totient is φ = 77627265764.

The previous prime is 155254531519. The next prime is 155254531541. The reversal of 155254531532 is 235135452551.

It is a super-2 number, since 2×155254531532² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155254531532.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19406816438 + ... + 19406816445.

It is an arithmetic number, because the mean of its divisors is an integer number (45282571698).

Almost surely, 2^155254531532 is an apocalyptic number.

It is an amenable number.

155254531532 is a deficient number, since it is larger than the sum of its proper divisors (116440898656).

155254531532 is a wasteful number, since it uses less digits than its factorization.

155254531532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38813632887 (or 38813632885 counting only the distinct ones).

The product of its digits is 450000, while the sum is 41.

The spelling of 155254531532 in words is "one hundred fifty-five billion, two hundred fifty-four million, five hundred thirty-one thousand, five hundred thirty-two".