45890349 has 4 divisors (see below), whose sum is σ = 61187136. Its totient is φ = 30593564.

The previous prime is 45890321. The next prime is 45890381. The reversal of 45890349 is 94309854.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45890349 - 2¹⁶ = 45824813 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 45890349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45890309) 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, 7648389 + ... + 7648394.

It is an arithmetic number, because the mean of its divisors is an integer number (15296784).

Almost surely, 2^45890349 is an apocalyptic number.

It is an amenable number.

45890349 is a deficient number, since it is larger than the sum of its proper divisors (15296787).

45890349 is a wasteful number, since it uses less digits than its factorization.

45890349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15296786.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 45890349 is about 6774.2415811661. The cubic root of 45890349 is about 358.0198614700.

The spelling of 45890349 in words is "forty-five million, eight hundred ninety thousand, three hundred forty-nine".