45097031 has 4 divisors (see below), whose sum is σ = 51539472. Its totient is φ = 38654592.

The previous prime is 45096983. The next prime is 45097049. The reversal of 45097031 is 13079054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45097031 - 2⁶ = 45096967 is a prime.

It is a super-2 number, since 2×45097031² = 4067484410029922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45096985 and 45097003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45097061) 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, 3221210 + ... + 3221223.

It is an arithmetic number, because the mean of its divisors is an integer number (12884868).

Almost surely, 2^45097031 is an apocalyptic number.

45097031 is a deficient number, since it is larger than the sum of its proper divisors (6442441).

45097031 is an equidigital number, since it uses as much as digits as its factorization.

45097031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442440.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 45097031 is about 6715.4323017956. The cubic root of 45097031 is about 355.9447979677.

The spelling of 45097031 in words is "forty-five million, ninety-seven thousand, thirty-one".