45249879 has 4 divisors (see below), whose sum is σ = 60333176. Its totient is φ = 30166584.

The previous prime is 45249877. The next prime is 45249899. The reversal of 45249879 is 97894254.

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

It is not a de Polignac number, because 45249879 - 2¹ = 45249877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45249871) 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, 7541644 + ... + 7541649.

It is an arithmetic number, because the mean of its divisors is an integer number (15083294).

Almost surely, 2^45249879 is an apocalyptic number.

45249879 is a deficient number, since it is larger than the sum of its proper divisors (15083297).

45249879 is a wasteful number, since it uses less digits than its factorization.

45249879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15083296.

The product of its digits is 725760, while the sum is 48.

The square root of 45249879 is about 6726.8030296717. The cubic root of 45249879 is about 356.3464807321.

The spelling of 45249879 in words is "forty-five million, two hundred forty-nine thousand, eight hundred seventy-nine".