45046161 has 6 divisors (see below), whose sum is σ = 65066690. Its totient is φ = 30030768.

The previous prime is 45046159. The next prime is 45046171. The reversal of 45046161 is 16164054.

45046161 is a `hidden beast` number, since 45 + 0 + 4 + 616 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44355600 + 690561 = 6660^2 + 831^2 .

It is not a de Polignac number, because 45046161 - 2¹ = 45046159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45046151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2502556 + ... + 2502573.

Almost surely, 2^45046161 is an apocalyptic number.

It is an amenable number.

45046161 is a deficient number, since it is larger than the sum of its proper divisors (20020529).

45046161 is a wasteful number, since it uses less digits than its factorization.

45046161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005135 (or 5005132 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 45046161 is about 6711.6436883971. The cubic root of 45046161 is about 355.8109109245.

The spelling of 45046161 in words is "forty-five million, forty-six thousand, one hundred sixty-one".