45136313 has 4 divisors (see below), whose sum is σ = 45680208. Its totient is φ = 44592420.

The previous prime is 45136307. The next prime is 45136339. The reversal of 45136313 is 31363154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31363154 = 2 ⋅15681577.

It is a cyclic number.

It is not a de Polignac number, because 45136313 - 2⁴ = 45136297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45136303) 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, 271823 + ... + 271988.

It is an arithmetic number, because the mean of its divisors is an integer number (11420052).

Almost surely, 2^45136313 is an apocalyptic number.

It is an amenable number.

45136313 is a deficient number, since it is larger than the sum of its proper divisors (543895).

45136313 is an equidigital number, since it uses as much as digits as its factorization.

45136313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543894.

The product of its digits is 3240, while the sum is 26.

The square root of 45136313 is about 6718.3564210304. The cubic root of 45136313 is about 356.0481171548.

Adding to 45136313 its reverse (31363154), we get a palindrome (76499467).

The spelling of 45136313 in words is "forty-five million, one hundred thirty-six thousand, three hundred thirteen".