45215122 has 8 divisors (see below), whose sum is σ = 68972400. Its totient is φ = 22224324.

The previous prime is 45215119. The next prime is 45215161. The reversal of 45215122 is 22151254.

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

It is a junction number, because it is equal to n+sod(n) for n = 45215093 and 45215102.

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, 191472 + ... + 191707.

It is an arithmetic number, because the mean of its divisors is an integer number (8621550).

Almost surely, 2^45215122 is an apocalyptic number.

45215122 is a deficient number, since it is larger than the sum of its proper divisors (23757278).

45215122 is a wasteful number, since it uses less digits than its factorization.

45215122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383240.

The product of its digits is 800, while the sum is 22.

The square root of 45215122 is about 6724.2190624637. The cubic root of 45215122 is about 356.2552192936.

Adding to 45215122 its reverse (22151254), we get a palindrome (67366376).

The spelling of 45215122 in words is "forty-five million, two hundred fifteen thousand, one hundred twenty-two".