45709089 has 4 divisors (see below), whose sum is σ = 60945456. Its totient is φ = 30472724.

The previous prime is 45709067. The next prime is 45709093. The reversal of 45709089 is 98090754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45709089 - 2⁵ = 45709057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45709089.

It is not an unprimeable number, because it can be changed into a prime (45709049) 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, 7618179 + ... + 7618184.

It is an arithmetic number, because the mean of its divisors is an integer number (15236364).

Almost surely, 2^45709089 is an apocalyptic number.

It is an amenable number.

45709089 is a deficient number, since it is larger than the sum of its proper divisors (15236367).

45709089 is a wasteful number, since it uses less digits than its factorization.

45709089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15236366.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 45709089 is about 6760.8497247018. The cubic root of 45709089 is about 357.5478645548.

The spelling of 45709089 in words is "forty-five million, seven hundred nine thousand, eighty-nine".