45561679 has 4 divisors (see below), whose sum is σ = 45894384. Its totient is φ = 45228976.

The previous prime is 45561671. The next prime is 45561727. The reversal of 45561679 is 97616554.

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

It is a cyclic number.

It is not a de Polignac number, because 45561679 - 2³ = 45561671 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 (45561671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166147 + ... + 166420.

It is an arithmetic number, because the mean of its divisors is an integer number (11473596).

Almost surely, 2^45561679 is an apocalyptic number.

45561679 is a deficient number, since it is larger than the sum of its proper divisors (332705).

45561679 is a wasteful number, since it uses less digits than its factorization.

45561679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332704.

The product of its digits is 226800, while the sum is 43.

The square root of 45561679 is about 6749.9391849112. The cubic root of 45561679 is about 357.1630914022.

The spelling of 45561679 in words is "forty-five million, five hundred sixty-one thousand, six hundred seventy-nine".