45522549 has 12 divisors (see below), whose sum is σ = 69622956. Its totient is φ = 28563072.

The previous prime is 45522541. The next prime is 45522553. The reversal of 45522549 is 94522554.

It can be written as a sum of positive squares in 2 ways, for example, as 13373649 + 32148900 = 3657^2 + 5670^2 .

It is not a de Polignac number, because 45522549 - 2³ = 45522541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45522541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148614 + ... + 148919.

It is an arithmetic number, because the mean of its divisors is an integer number (5801913).

Almost surely, 2^45522549 is an apocalyptic number.

It is an amenable number.

45522549 is a deficient number, since it is larger than the sum of its proper divisors (24100407).

45522549 is a wasteful number, since it uses less digits than its factorization.

45522549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297556 (or 297553 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 45522549 is about 6747.0400176670. The cubic root of 45522549 is about 357.0608139697.

The spelling of 45522549 in words is "forty-five million, five hundred twenty-two thousand, five hundred forty-nine".