45540522 has 32 divisors (see below), whose sum is σ = 101424960. Its totient is φ = 15146640.

The previous prime is 45540497. The next prime is 45540533. The reversal of 45540522 is 22504554.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 41197 + ... + 42287.

It is an arithmetic number, because the mean of its divisors is an integer number (3169530).

Almost surely, 2^45540522 is an apocalyptic number.

45540522 is an abundant number, since it is smaller than the sum of its proper divisors (55884438).

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

45540522 is a wasteful number, since it uses less digits than its factorization.

45540522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 45540522 is about 6748.3718036279. The cubic root of 45540522 is about 357.1077988139.

The spelling of 45540522 in words is "forty-five million, five hundred forty thousand, five hundred twenty-two".