45169159 has 4 divisors (see below), whose sum is σ = 51621904. Its totient is φ = 38716416.

The previous prime is 45169133. The next prime is 45169177. The reversal of 45169159 is 95196154.

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 45169159 - 2⁵ = 45169127 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 (45169109) 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, 3226362 + ... + 3226375.

It is an arithmetic number, because the mean of its divisors is an integer number (12905476).

Almost surely, 2^45169159 is an apocalyptic number.

45169159 is a deficient number, since it is larger than the sum of its proper divisors (6452745).

45169159 is an equidigital number, since it uses as much as digits as its factorization.

45169159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452744.

The product of its digits is 48600, while the sum is 40.

The square root of 45169159 is about 6720.8004731579. The cubic root of 45169159 is about 356.1344624205.

The spelling of 45169159 in words is "forty-five million, one hundred sixty-nine thousand, one hundred fifty-nine".