45707121 has 12 divisors (see below), whose sum is σ = 66250548. Its totient is φ = 30365664.

The previous prime is 45707093. The next prime is 45707143. The reversal of 45707121 is 12170754.

45707121 is a `hidden beast` number, since 4 + 570 + 71 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22667121 + 23040000 = 4761^2 + 4800^2 .

It is not a de Polignac number, because 45707121 - 2⁵ = 45707089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45707191) 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, 6030 + ... + 11303.

It is an arithmetic number, because the mean of its divisors is an integer number (5520879).

Almost surely, 2^45707121 is an apocalyptic number.

It is an amenable number.

45707121 is a deficient number, since it is larger than the sum of its proper divisors (20543427).

45707121 is a wasteful number, since it uses less digits than its factorization.

45707121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17632 (or 17629 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 45707121 is about 6760.7041792997. The cubic root of 45707121 is about 357.5427330860.

Adding to 45707121 its reverse (12170754), we get a palindrome (57877875).

The spelling of 45707121 in words is "forty-five million, seven hundred seven thousand, one hundred twenty-one".