45679289 has 8 divisors (see below), whose sum is σ = 49546728. Its totient is φ = 41943040.

The previous prime is 45679273. The next prime is 45679297. The reversal of 45679289 is 98297654.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16605625 + 29073664 = 4075^2 + 5392^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45679289 - 2⁴ = 45679273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45679229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32072 + ... + 33465.

It is an arithmetic number, because the mean of its divisors is an integer number (6193341).

Almost surely, 2^45679289 is an apocalyptic number.

It is an amenable number.

45679289 is a deficient number, since it is larger than the sum of its proper divisors (3867439).

45679289 is a wasteful number, since it uses less digits than its factorization.

45679289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65595.

The product of its digits is 1088640, while the sum is 50.

The square root of 45679289 is about 6758.6455003943. The cubic root of 45679289 is about 357.4701466587.

The spelling of 45679289 in words is "forty-five million, six hundred seventy-nine thousand, two hundred eighty-nine".