45997031 has 6 divisors (see below), whose sum is σ = 47275200. Its totient is φ = 44752536.

The previous prime is 45997013. The next prime is 45997051. The reversal of 45997031 is 13079954.

It is a happy number.

It is not a de Polignac number, because 45997031 - 2¹⁰ = 45996007 is a prime.

It is a super-2 number, since 2×45997031² = 4231453721629922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45997051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15431 + ... + 18168.

It is an arithmetic number, because the mean of its divisors is an integer number (7879200).

Almost surely, 2^45997031 is an apocalyptic number.

45997031 is a deficient number, since it is larger than the sum of its proper divisors (1278169).

45997031 is an equidigital number, since it uses as much as digits as its factorization.

45997031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33673 (or 33636 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 45997031 is about 6782.1111020095. Note that the first 4 decimals coincide. The cubic root of 45997031 is about 358.2970781900.

The spelling of 45997031 in words is "forty-five million, nine hundred ninety-seven thousand, thirty-one".