45368489 has 8 divisors (see below), whose sum is σ = 48349440. Its totient is φ = 42471616.

The previous prime is 45368473. The next prime is 45368497. The reversal of 45368489 is 98486354.

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

It is not a de Polignac number, because 45368489 - 2⁴ = 45368473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45368419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19904 + ... + 22065.

It is an arithmetic number, because the mean of its divisors is an integer number (6043680).

Almost surely, 2^45368489 is an apocalyptic number.

It is an amenable number.

45368489 is a deficient number, since it is larger than the sum of its proper divisors (2980951).

45368489 is a wasteful number, since it uses less digits than its factorization.

45368489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42039.

The product of its digits is 829440, while the sum is 47.

The square root of 45368489 is about 6735.6134835663. The cubic root of 45368489 is about 356.6575635530.

It can be divided in two parts, 4 and 5368489, that multiplied together give a square (21473956 = 4634²).

The spelling of 45368489 in words is "forty-five million, three hundred sixty-eight thousand, four hundred eighty-nine".