45169273 has 4 divisors (see below), whose sum is σ = 45583780. Its totient is φ = 44754768.

The previous prime is 45169247. The next prime is 45169297. The reversal of 45169273 is 37296154.

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 19686969 + 25482304 = 4437^2 + 5048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45169273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45169073) 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, 207090 + ... + 207307.

It is an arithmetic number, because the mean of its divisors is an integer number (11395945).

Almost surely, 2^45169273 is an apocalyptic number.

It is an amenable number.

45169273 is a deficient number, since it is larger than the sum of its proper divisors (414507).

45169273 is a wasteful number, since it uses less digits than its factorization.

45169273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414506.

The product of its digits is 45360, while the sum is 37.

The square root of 45169273 is about 6720.8089542852. The cubic root of 45169273 is about 356.1347620298.

The spelling of 45169273 in words is "forty-five million, one hundred sixty-nine thousand, two hundred seventy-three".