45279813 has 8 divisors (see below), whose sum is σ = 60518176. Its totient is φ = 30114000.

The previous prime is 45279811. The next prime is 45279821. The reversal of 45279813 is 31897254.

45279813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45279813 - 2¹ = 45279811 is a prime.

It is a super-2 number, since 2×45279813² = 4100522930629938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45279811) 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 7 ways as a sum of consecutive naturals, for example, 16663 + ... + 19188.

It is an arithmetic number, because the mean of its divisors is an integer number (7564772).

Almost surely, 2^45279813 is an apocalyptic number.

It is an amenable number.

45279813 is a deficient number, since it is larger than the sum of its proper divisors (15238363).

45279813 is a wasteful number, since it uses less digits than its factorization.

45279813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36275.

The product of its digits is 60480, while the sum is 39.

The square root of 45279813 is about 6729.0276414947. The cubic root of 45279813 is about 356.4250409737.

The spelling of 45279813 in words is "forty-five million, two hundred seventy-nine thousand, eight hundred thirteen".