45989251532 has 24 divisors (see below), whose sum is σ = 92119394976. Its totient is φ = 19679488128.

The previous prime is 45989251493. The next prime is 45989251541. The reversal of 45989251532 is 23515298954.

It is a super-2 number, since 2×45989251532² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239353 + ... + 1275920.

It is an arithmetic number, because the mean of its divisors is an integer number (3838308124).

Almost surely, 2^45989251532 is an apocalyptic number.

It is an amenable number.

45989251532 is an abundant number, since it is smaller than the sum of its proper divisors (46130143444).

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

45989251532 is a wasteful number, since it uses less digits than its factorization.

45989251532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515937 (or 2515935 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 53.

The spelling of 45989251532 in words is "forty-five billion, nine hundred eighty-nine million, two hundred fifty-one thousand, five hundred thirty-two".