45728167 has 4 divisors (see below), whose sum is σ = 45778320. Its totient is φ = 45678016.

The previous prime is 45728159. The next prime is 45728171. The reversal of 45728167 is 76182754.

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 45728167 - 2³ = 45728159 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45728197) 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, 23683 + ... + 25540.

It is an arithmetic number, because the mean of its divisors is an integer number (11444580).

Almost surely, 2^45728167 is an apocalyptic number.

45728167 is a deficient number, since it is larger than the sum of its proper divisors (50153).

45728167 is an equidigital number, since it uses as much as digits as its factorization.

45728167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50152.

The product of its digits is 94080, while the sum is 40.

The square root of 45728167 is about 6762.2604948345. The cubic root of 45728167 is about 357.5976019229.

The spelling of 45728167 in words is "forty-five million, seven hundred twenty-eight thousand, one hundred sixty-seven".