45738549 has 12 divisors (see below), whose sum is σ = 67852876. Its totient is φ = 29668032.

The previous prime is 45738533. The next prime is 45738569. The reversal of 45738549 is 94583754.

It can be written as a sum of positive squares in 2 ways, for example, as 26316900 + 19421649 = 5130^2 + 4407^2 .

It is not a de Polignac number, because 45738549 - 2⁴ = 45738533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45738509) 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, 68344 + ... + 69009.

Almost surely, 2^45738549 is an apocalyptic number.

It is an amenable number.

45738549 is a deficient number, since it is larger than the sum of its proper divisors (22114327).

45738549 is a wasteful number, since it uses less digits than its factorization.

45738549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137396 (or 137393 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 45738549 is about 6763.0280939828. The cubic root of 45738549 is about 357.6246625409.

The spelling of 45738549 in words is "forty-five million, seven hundred thirty-eight thousand, five hundred forty-nine".