45522015 has 48 divisors (see below), whose sum is σ = 91521024. Its totient is φ = 18912960.

The previous prime is 45521999. The next prime is 45522017. The reversal of 45522015 is 51022554.

It is a happy number.

It is not a de Polignac number, because 45522015 - 2⁴ = 45521999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45522017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10914 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (1906688).

Almost surely, 2^45522015 is an apocalyptic number.

45522015 is an abundant number, since it is smaller than the sum of its proper divisors (45999009).

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

45522015 is a wasteful number, since it uses less digits than its factorization.

45522015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620 (or 3609 counting only the distinct ones).

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

The square root of 45522015 is about 6747.0004446420. Note that the first 3 decimals coincide. The cubic root of 45522015 is about 357.0594178028.

Adding to 45522015 its reverse (51022554), we get a palindrome (96544569).

The spelling of 45522015 in words is "forty-five million, five hundred twenty-two thousand, fifteen".