45645167 has 4 divisors (see below), whose sum is σ = 46064040. Its totient is φ = 45226296.

The previous prime is 45645151. The next prime is 45645181. The reversal of 45645167 is 76154654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76154654 = 2 ⋅38077327.

It is a cyclic number.

It is not a de Polignac number, because 45645167 - 2⁴ = 45645151 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 45645167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45645967) 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, 209273 + ... + 209490.

It is an arithmetic number, because the mean of its divisors is an integer number (11516010).

Almost surely, 2^45645167 is an apocalyptic number.

45645167 is a deficient number, since it is larger than the sum of its proper divisors (418873).

45645167 is a wasteful number, since it uses less digits than its factorization.

45645167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418872.

The product of its digits is 100800, while the sum is 38.

The square root of 45645167 is about 6756.1207064409. The cubic root of 45645167 is about 357.3811155388.

The spelling of 45645167 in words is "forty-five million, six hundred forty-five thousand, one hundred sixty-seven".