45165403 has 4 divisors (see below), whose sum is σ = 45178848. Its totient is φ = 45151960.

The previous prime is 45165371. The next prime is 45165433. The reversal of 45165403 is 30456154.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45165403 - 2⁵ = 45165371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45165433) 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, 3150 + ... + 10012.

It is an arithmetic number, because the mean of its divisors is an integer number (11294712).

Almost surely, 2^45165403 is an apocalyptic number.

45165403 is a deficient number, since it is larger than the sum of its proper divisors (13445).

45165403 is an equidigital number, since it uses as much as digits as its factorization.

45165403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 45165403 is about 6720.5210363483. The cubic root of 45165403 is about 356.1245908020.

The spelling of 45165403 in words is "forty-five million, one hundred sixty-five thousand, four hundred three".