450190 has 16 divisors (see below), whose sum is σ = 872928. Its totient is φ = 166176.

The previous prime is 450169. The next prime is 450193. The reversal of 450190 is 91054.

It is a super-2 number, since 2×450190² = 405342072200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450193) 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, 1602 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (54558).

2⁴⁵⁰¹⁹⁰ is an apocalyptic number.

450190 is a deficient number, since it is larger than the sum of its proper divisors (422738).

450190 is a wasteful number, since it uses less digits than its factorization.

450190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483.

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

The square root of 450190 is about 670.9619959431. The cubic root of 450190 is about 76.6417268175.

The spelling of 450190 in words is "four hundred fifty thousand, one hundred ninety".