45122315 has 16 divisors (see below), whose sum is σ = 62933760. Its totient is φ = 30415200.

The previous prime is 45122299. The next prime is 45122327. The reversal of 45122315 is 51322154.

45122315 = T₃₉₉ + T₄₀₀ + ... + T₆₉₃.

It is not a de Polignac number, because 45122315 - 2⁴ = 45122299 is a prime.

It is a super-3 number, since 3×45122315³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8861 + ... + 12990.

It is an arithmetic number, because the mean of its divisors is an integer number (3933360).

Almost surely, 2^45122315 is an apocalyptic number.

45122315 is a deficient number, since it is larger than the sum of its proper divisors (17811445).

45122315 is a wasteful number, since it uses less digits than its factorization.

45122315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21922.

The product of its digits is 1200, while the sum is 23.

The square root of 45122315 is about 6717.3145675932. The cubic root of 45122315 is about 356.0113066097.

Adding to 45122315 its reverse (51322154), we get a palindrome (96444469).

The spelling of 45122315 in words is "forty-five million, one hundred twenty-two thousand, three hundred fifteen".