45744637 has 8 divisors (see below), whose sum is σ = 48595896. Its totient is φ = 42911232.

The previous prime is 45744607. The next prime is 45744641. The reversal of 45744637 is 73644754.

It can be written as a sum of positive squares in 4 ways, for example, as 3896676 + 41847961 = 1974^2 + 6469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45744637 - 2⁷ = 45744509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45744637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45744607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023 + ... + 9619.

It is an arithmetic number, because the mean of its divisors is an integer number (6074487).

Almost surely, 2^45744637 is an apocalyptic number.

It is an amenable number.

45744637 is a deficient number, since it is larger than the sum of its proper divisors (2851259).

45744637 is a wasteful number, since it uses less digits than its factorization.

45744637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8927.

The product of its digits is 282240, while the sum is 40.

The square root of 45744637 is about 6763.4781732478. The cubic root of 45744637 is about 357.6405289702.

The spelling of 45744637 in words is "forty-five million, seven hundred forty-four thousand, six hundred thirty-seven".