45159769 has 4 divisors (see below), whose sum is σ = 47816244. Its totient is φ = 42503296.

The previous prime is 45159739. The next prime is 45159857. The reversal of 45159769 is 96795154.

45159769 is nontrivially palindromic in base 5.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34951744 + 10208025 = 5912^2 + 3195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45159769 is a prime.

It is a super-2 number, since 2×45159769² = 4078809472266722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45159739) 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, 1328212 + ... + 1328245.

It is an arithmetic number, because the mean of its divisors is an integer number (11954061).

Almost surely, 2^45159769 is an apocalyptic number.

It is an amenable number.

45159769 is a deficient number, since it is larger than the sum of its proper divisors (2656475).

45159769 is a wasteful number, since it uses less digits than its factorization.

45159769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656474.

The product of its digits is 340200, while the sum is 46.

The square root of 45159769 is about 6720.1018593471. The cubic root of 45159769 is about 356.1097823480.

The spelling of 45159769 in words is "forty-five million, one hundred fifty-nine thousand, seven hundred sixty-nine".