45169539 has 16 divisors (see below), whose sum is σ = 63182592. Its totient is φ = 28648928.

The previous prime is 45169529. The next prime is 45169567. The reversal of 45169539 is 93596154.

45169539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45169539 - 2⁹ = 45169027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45169539.

It is not an unprimeable number, because it can be changed into a prime (45169519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11932 + ... + 15254.

It is an arithmetic number, because the mean of its divisors is an integer number (3948912).

Almost surely, 2^45169539 is an apocalyptic number.

45169539 is a deficient number, since it is larger than the sum of its proper divisors (18013053).

45169539 is a wasteful number, since it uses less digits than its factorization.

45169539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546.

The product of its digits is 145800, while the sum is 42.

The square root of 45169539 is about 6720.8287435405. The cubic root of 45169539 is about 356.1354611161.

The spelling of 45169539 in words is "forty-five million, one hundred sixty-nine thousand, five hundred thirty-nine".