45571518 has 32 divisors (see below), whose sum is σ = 101556000. Its totient is φ = 15147648.

The previous prime is 45571517. The next prime is 45571523. The reversal of 45571518 is 81517554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45571511) 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, 22408 + ... + 24356.

It is an arithmetic number, because the mean of its divisors is an integer number (3173625).

Almost surely, 2^45571518 is an apocalyptic number.

45571518 is an abundant number, since it is smaller than the sum of its proper divisors (55984482).

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

45571518 is a wasteful number, since it uses less digits than its factorization.

45571518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2387 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 45571518 is about 6750.6679669496. The cubic root of 45571518 is about 357.1887992251.

The spelling of 45571518 in words is "forty-five million, five hundred seventy-one thousand, five hundred eighteen".