45662161 has 4 divisors (see below), whose sum is σ = 45683892. Its totient is φ = 45640432.

The previous prime is 45662147. The next prime is 45662167. The reversal of 45662161 is 16126654.

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 10627600 + 35034561 = 3260^2 + 5919^2 .

It is a cyclic number.

It is not a de Polignac number, because 45662161 - 2⁵ = 45662129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45662167) 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, 7330 + ... + 12043.

It is an arithmetic number, because the mean of its divisors is an integer number (11420973).

Almost surely, 2^45662161 is an apocalyptic number.

It is an amenable number.

45662161 is a deficient number, since it is larger than the sum of its proper divisors (21731).

45662161 is a wasteful number, since it uses less digits than its factorization.

45662161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21730.

The product of its digits is 8640, while the sum is 31.

The square root of 45662161 is about 6757.3782637943. The cubic root of 45662161 is about 357.4254618264.

The spelling of 45662161 in words is "forty-five million, six hundred sixty-two thousand, one hundred sixty-one".