450245190 has 32 divisors (see below), whose sum is σ = 1106947296. Its totient is φ = 117136640.

The previous prime is 450245167. The next prime is 450245207. The reversal of 450245190 is 91542054.

It is a super-2 number, since 2×450245190² = 405441462236272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181797 + ... + 184256.

It is an arithmetic number, because the mean of its divisors is an integer number (34592103).

Almost surely, 2^450245190 is an apocalyptic number.

450245190 is an abundant number, since it is smaller than the sum of its proper divisors (656702106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450245190 is a wasteful number, since it uses less digits than its factorization.

450245190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366104.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 450245190 is about 21218.9818323123. The cubic root of 450245190 is about 766.4485859453.

The spelling of 450245190 in words is "four hundred fifty million, two hundred forty-five thousand, one hundred ninety".