45122313 has 8 divisors (see below), whose sum is σ = 60386176. Its totient is φ = 29970000.

The previous prime is 45122299. The next prime is 45122327. The reversal of 45122313 is 31322154.

It is an interprime number because it is at equal distance from previous prime (45122299) and next prime (45122327).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45122313 - 2⁵ = 45122281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45122313.

It is not an unprimeable number, because it can be changed into a prime (45122353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26938 + ... + 28563.

It is an arithmetic number, because the mean of its divisors is an integer number (7548272).

Almost surely, 2^45122313 is an apocalyptic number.

It is an amenable number.

45122313 is a deficient number, since it is larger than the sum of its proper divisors (15263863).

45122313 is a wasteful number, since it uses less digits than its factorization.

45122313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55775.

The product of its digits is 720, while the sum is 21.

The square root of 45122313 is about 6717.3144187242. The cubic root of 45122313 is about 356.0113013498.

Adding to 45122313 its reverse (31322154), we get a palindrome (76444467).

The spelling of 45122313 in words is "forty-five million, one hundred twenty-two thousand, three hundred thirteen".