45504549 has 12 divisors (see below), whose sum is σ = 65886912. Its totient is φ = 30263400.

The previous prime is 45504533. The next prime is 45504551. The reversal of 45504549 is 94540554.

It is not a de Polignac number, because 45504549 - 2⁴ = 45504533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45500549) 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, 1987 + ... + 9744.

It is an arithmetic number, because the mean of its divisors is an integer number (5490576).

Almost surely, 2^45504549 is an apocalyptic number.

It is an amenable number.

45504549 is a deficient number, since it is larger than the sum of its proper divisors (20382363).

45504549 is a wasteful number, since it uses less digits than its factorization.

45504549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12168 (or 12165 counting only the distinct ones).

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

The square root of 45504549 is about 6745.7059675026. The cubic root of 45504549 is about 357.0137461458.

The spelling of 45504549 in words is "forty-five million, five hundred four thousand, five hundred forty-nine".