45319345 has 4 divisors (see below), whose sum is σ = 54383220. Its totient is φ = 36255472.

The previous prime is 45319321. The next prime is 45319357. The reversal of 45319345 is 54391354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54391354 = 2 ⋅27195677.

It can be written as a sum of positive squares in 2 ways, for example, as 14837904 + 30481441 = 3852^2 + 5521^2 .

It is a cyclic number.

It is not a de Polignac number, because 45319345 - 2⁷ = 45319217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45319345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4531930 + ... + 4531939.

It is an arithmetic number, because the mean of its divisors is an integer number (13595805).

Almost surely, 2^45319345 is an apocalyptic number.

It is an amenable number.

45319345 is a deficient number, since it is larger than the sum of its proper divisors (9063875).

45319345 is an equidigital number, since it uses as much as digits as its factorization.

45319345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9063874.

The product of its digits is 32400, while the sum is 34.

The square root of 45319345 is about 6731.9644235542. The cubic root of 45319345 is about 356.5287376341.

The spelling of 45319345 in words is "forty-five million, three hundred nineteen thousand, three hundred forty-five".