45279361 has 4 divisors (see below), whose sum is σ = 45321300. Its totient is φ = 45237424.

The previous prime is 45279343. The next prime is 45279371. The reversal of 45279361 is 16397254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16397254 = 2 ⋅8198627.

It can be written as a sum of positive squares in 2 ways, for example, as 24403600 + 20875761 = 4940^2 + 4569^2 .

It is a cyclic number.

It is not a de Polignac number, because 45279361 - 2¹⁷ = 45148289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45279361.

It is not an unprimeable number, because it can be changed into a prime (45279371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19306 + ... + 21523.

It is an arithmetic number, because the mean of its divisors is an integer number (11330325).

Almost surely, 2^45279361 is an apocalyptic number.

It is an amenable number.

45279361 is a deficient number, since it is larger than the sum of its proper divisors (41939).

45279361 is a wasteful number, since it uses less digits than its factorization.

45279361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41938.

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

The square root of 45279361 is about 6728.9940555777. The cubic root of 45279361 is about 356.4238549804.

The spelling of 45279361 in words is "forty-five million, two hundred seventy-nine thousand, three hundred sixty-one".