45890087 has 4 divisors (see below), whose sum is σ = 45957960. Its totient is φ = 45822216.

The previous prime is 45890059. The next prime is 45890107. The reversal of 45890087 is 78009854.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45890087 - 2¹⁴ = 45873703 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 (45890287) 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, 32912 + ... + 34277.

It is an arithmetic number, because the mean of its divisors is an integer number (11489490).

Almost surely, 2^45890087 is an apocalyptic number.

45890087 is a deficient number, since it is larger than the sum of its proper divisors (67873).

45890087 is an equidigital number, since it uses as much as digits as its factorization.

45890087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67872.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 45890087 is about 6774.2222431804. Note that the first 4 decimals coincide. The cubic root of 45890087 is about 358.0191801257.

The spelling of 45890087 in words is "forty-five million, eight hundred ninety thousand, eighty-seven".