45015522 has 32 divisors (see below), whose sum is σ = 95109120. Its totient is φ = 14164560.

The previous prime is 45015521. The next prime is 45015557. The reversal of 45015522 is 22551054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45015492 and 45015501.

It is not an unprimeable number, because it can be changed into a prime (45015521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43147 + ... + 44177.

It is an arithmetic number, because the mean of its divisors is an integer number (2972160).

Almost surely, 2^45015522 is an apocalyptic number.

45015522 is an abundant number, since it is smaller than the sum of its proper divisors (50093598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45015522 is a wasteful number, since it uses less digits than its factorization.

45015522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45015522 is about 6709.3607743212. The cubic root of 45015522 is about 355.7302221165.

Adding to 45015522 its reverse (22551054), we get a palindrome (67566576).

The spelling of 45015522 in words is "forty-five million, fifteen thousand, five hundred twenty-two".