45122115 has 32 divisors (see below), whose sum is σ = 76308480. Its totient is φ = 22730624.

The previous prime is 45122111. The next prime is 45122123. The reversal of 45122115 is 51122154.

It is a cyclic number.

It is not a de Polignac number, because 45122115 - 2² = 45122111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45122091 and 45122100.

It is not an unprimeable number, because it can be changed into a prime (45122111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19342 + ... + 21548.

It is an arithmetic number, because the mean of its divisors is an integer number (2384640).

Almost surely, 2^45122115 is an apocalyptic number.

45122115 is a deficient number, since it is larger than the sum of its proper divisors (31186365).

45122115 is a wasteful number, since it uses less digits than its factorization.

45122115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291.

The product of its digits is 400, while the sum is 21.

The square root of 45122115 is about 6717.2996806753. The cubic root of 45122115 is about 356.0107806145.

Adding to 45122115 its reverse (51122154), we get a palindrome (96244269).

The spelling of 45122115 in words is "forty-five million, one hundred twenty-two thousand, one hundred fifteen".