100505450 has 24 divisors (see below), whose sum is σ = 187675488. Its totient is φ = 40044080.

The previous prime is 100505429. The next prime is 100505467. The reversal of 100505450 is 54505001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9329 + ... + 16971.

It is an arithmetic number, because the mean of its divisors is an integer number (7819812).

Almost surely, 2^100505450 is an apocalyptic number.

100505450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100505450 is a deficient number, since it is larger than the sum of its proper divisors (87170038).

100505450 is a wasteful number, since it uses less digits than its factorization.

100505450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918 (or 7913 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 100505450 is about 10025.2406454908. The cubic root of 100505450 is about 464.9395998166.

The spelling of 100505450 in words is "one hundred million, five hundred five thousand, four hundred fifty".