45190 has 8 divisors (see below), whose sum is σ = 81360. Its totient is φ = 18072.

The previous prime is 45181. The next prime is 45191. The reversal of 45190 is 9154.

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

It is a super-2 number, since 2×45190² = 4084272200, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45191) 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, 2250 + ... + 2269.

It is an arithmetic number, because the mean of its divisors is an integer number (10170).

2⁴⁵¹⁹⁰ is an apocalyptic number.

45190 is a deficient number, since it is larger than the sum of its proper divisors (36170).

45190 is a wasteful number, since it uses less digits than its factorization.

45190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 45190 is about 212.5793969321. The cubic root of 45190 is about 35.6189227348.

The spelling of 45190 in words is "forty-five thousand, one hundred ninety".