45064431 has 10 divisors (see below), whose sum is σ = 67318592. Its totient is φ = 30042900.

The previous prime is 45064423. The next prime is 45064477. The reversal of 45064431 is 13446054.

It is not a de Polignac number, because 45064431 - 2³ = 45064423 is a prime.

It is a super-2 number, since 2×45064431² = 4061605882707522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45064395 and 45064404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45064931) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 278095 + ... + 278256.

Almost surely, 2^45064431 is an apocalyptic number.

45064431 is a deficient number, since it is larger than the sum of its proper divisors (22254161).

45064431 is an equidigital number, since it uses as much as digits as its factorization.

45064431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556363 (or 556354 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 45064431 is about 6713.0046179040. The cubic root of 45064431 is about 355.8590081544.

The spelling of 45064431 in words is "forty-five million, sixty-four thousand, four hundred thirty-one".