45890689 has 8 divisors (see below), whose sum is σ = 49533120. Its totient is φ = 42264336.

The previous prime is 45890687. The next prime is 45890729. The reversal of 45890689 is 98609854.

It is a happy number.

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 45890689 - 2¹ = 45890687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45890687) 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, 2292 + ... + 9850.

It is an arithmetic number, because the mean of its divisors is an integer number (6191640).

Almost surely, 2^45890689 is an apocalyptic number.

It is an amenable number.

45890689 is a deficient number, since it is larger than the sum of its proper divisors (3642431).

45890689 is a wasteful number, since it uses less digits than its factorization.

45890689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8039.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 45890689 is about 6774.2666761798. The cubic root of 45890689 is about 358.0207456534.

The spelling of 45890689 in words is "forty-five million, eight hundred ninety thousand, six hundred eighty-nine".