100450590 has 16 divisors (see below), whose sum is σ = 241081488. Its totient is φ = 26786816.

The previous prime is 100450589. The next prime is 100450607. The reversal of 100450590 is 95054001.

It is a self number, because there is not a number n which added to its sum of digits gives 100450590.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674147 + ... + 1674206.

It is an arithmetic number, because the mean of its divisors is an integer number (15067593).

Almost surely, 2^100450590 is an apocalyptic number.

100450590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100450590 is an abundant number, since it is smaller than the sum of its proper divisors (140630898).

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

100450590 is a wasteful number, since it uses less digits than its factorization.

100450590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348363.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 100450590 is about 10022.5041780984. The cubic root of 100450590 is about 464.8549900476.

The spelling of 100450590 in words is "one hundred million, four hundred fifty thousand, five hundred ninety".