45249321272 has 32 divisors (see below), whose sum is σ = 86252998800. Its totient is φ = 22248691200.

The previous prime is 45249321251. The next prime is 45249321281. The reversal of 45249321272 is 27212394254.

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, 3023504 + ... + 3038432.

Almost surely, 2^45249321272 is an apocalyptic number.

It is an amenable number.

45249321272 is a deficient number, since it is larger than the sum of its proper divisors (41003677528).

45249321272 is a wasteful number, since it uses less digits than its factorization.

45249321272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21207 (or 21203 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The spelling of 45249321272 in words is "forty-five billion, two hundred forty-nine million, three hundred twenty-one thousand, two hundred seventy-two".