45799931 has 4 divisors (see below), whose sum is σ = 45867672. Its totient is φ = 45732192.

The previous prime is 45799913. The next prime is 45799933. The reversal of 45799931 is 13999754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13999754 = 2 ⋅6999877.

It is a cyclic number.

It is not a de Polignac number, because 45799931 - 2⁶ = 45799867 is a prime.

It is a super-3 number, since 3×45799931³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45799933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32846 + ... + 34211.

It is an arithmetic number, because the mean of its divisors is an integer number (11466918).

Almost surely, 2^45799931 is an apocalyptic number.

45799931 is a deficient number, since it is larger than the sum of its proper divisors (67741).

45799931 is an equidigital number, since it uses as much as digits as its factorization.

45799931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67740.

The product of its digits is 306180, while the sum is 47.

The square root of 45799931 is about 6767.5646284317. The cubic root of 45799931 is about 357.7845707216.

The spelling of 45799931 in words is "forty-five million, seven hundred ninety-nine thousand, nine hundred thirty-one".