45972099 has 6 divisors (see below), whose sum is σ = 66404156. Its totient is φ = 30648060.

The previous prime is 45972089. The next prime is 45972107. The reversal of 45972099 is 99027954.

It is not a de Polignac number, because 45972099 - 2¹⁵ = 45939331 is a prime.

It is a super-2 number, since 2×45972099² = 4226867772931602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45972089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2553997 + ... + 2554014.

Almost surely, 2^45972099 is an apocalyptic number.

45972099 is a deficient number, since it is larger than the sum of its proper divisors (20432057).

45972099 is a wasteful number, since it uses less digits than its factorization.

45972099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108017 (or 5108014 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 45972099 is about 6780.2727821231. The cubic root of 45972099 is about 358.2323299729.

The spelling of 45972099 in words is "forty-five million, nine hundred seventy-two thousand, ninety-nine".