45890645 has 8 divisors (see below), whose sum is σ = 55891104. Its totient is φ = 36164304.

The previous prime is 45890641. The next prime is 45890657. The reversal of 45890645 is 54609854.

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 45890645 - 2² = 45890641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45890641) 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, 68159 + ... + 68828.

It is an arithmetic number, because the mean of its divisors is an integer number (6986388).

Almost surely, 2^45890645 is an apocalyptic number.

It is an amenable number.

45890645 is a deficient number, since it is larger than the sum of its proper divisors (10000459).

45890645 is a wasteful number, since it uses less digits than its factorization.

45890645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137059.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 45890645 is about 6774.2634285950. The cubic root of 45890645 is about 358.0206312299.

The spelling of 45890645 in words is "forty-five million, eight hundred ninety thousand, six hundred forty-five".