45489079 has 4 divisors (see below), whose sum is σ = 45906520. Its totient is φ = 45071640.

The previous prime is 45489053. The next prime is 45489083. The reversal of 45489079 is 97098454.

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

It is a cyclic number.

It is not a de Polignac number, because 45489079 - 2⁷ = 45488951 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 (45489019) 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, 208557 + ... + 208774.

It is an arithmetic number, because the mean of its divisors is an integer number (11476630).

Almost surely, 2^45489079 is an apocalyptic number.

45489079 is a deficient number, since it is larger than the sum of its proper divisors (417441).

45489079 is a wasteful number, since it uses less digits than its factorization.

45489079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417440.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 45489079 is about 6744.5592146559. The cubic root of 45489079 is about 356.9732840472.

The spelling of 45489079 in words is "forty-five million, four hundred eighty-nine thousand, seventy-nine".