45147313 has 2 divisors, whose sum is σ = 45147314. Its totient is φ = 45147312.

The previous prime is 45147301. The next prime is 45147337. The reversal of 45147313 is 31374154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45064369 + 82944 = 6713^2 + 288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45147313 is a prime.

It is a super-2 number, since 2×45147313² = 4076559742239938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45147353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22573656 + 22573657.

It is an arithmetic number, because the mean of its divisors is an integer number (22573657).

Almost surely, 2^45147313 is an apocalyptic number.

It is an amenable number.

45147313 is a deficient number, since it is larger than the sum of its proper divisors (1).

45147313 is an equidigital number, since it uses as much as digits as its factorization.

45147313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 45147313 is about 6719.1750237659. The cubic root of 45147313 is about 356.0770385185.

The spelling of 45147313 in words is "forty-five million, one hundred forty-seven thousand, three hundred thirteen".