45133757 has 4 divisors (see below), whose sum is σ = 45321276. Its totient is φ = 44946240.

The previous prime is 45133667. The next prime is 45133763. The reversal of 45133757 is 75733154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26977636 + 18156121 = 5194^2 + 4261^2 .

It is a cyclic number.

It is not a de Polignac number, because 45133757 - 2²² = 40939453 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 (45133357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93398 + ... + 93879.

It is an arithmetic number, because the mean of its divisors is an integer number (11330319).

Almost surely, 2^45133757 is an apocalyptic number.

It is an amenable number.

45133757 is a deficient number, since it is larger than the sum of its proper divisors (187519).

45133757 is a wasteful number, since it uses less digits than its factorization.

45133757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187518.

The product of its digits is 44100, while the sum is 35.

The square root of 45133757 is about 6718.1661932405. The cubic root of 45133757 is about 356.0413962088.

The spelling of 45133757 in words is "forty-five million, one hundred thirty-three thousand, seven hundred fifty-seven".