45717289 has 4 divisors (see below), whose sum is σ = 45799056. Its totient is φ = 45635524.

The previous prime is 45717277. The next prime is 45717293. The reversal of 45717289 is 98271754.

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 45717289 - 2⁵ = 45717257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45717589) 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, 40039 + ... + 41164.

It is an arithmetic number, because the mean of its divisors is an integer number (11449764).

Almost surely, 2^45717289 is an apocalyptic number.

It is an amenable number.

45717289 is a deficient number, since it is larger than the sum of its proper divisors (81767).

45717289 is an equidigital number, since it uses as much as digits as its factorization.

45717289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81766.

The product of its digits is 141120, while the sum is 43.

The square root of 45717289 is about 6761.4561301542. The cubic root of 45717289 is about 357.5692440897.

The spelling of 45717289 in words is "forty-five million, seven hundred seventeen thousand, two hundred eighty-nine".