100455240 has 64 divisors (see below), whose sum is σ = 302319360. Its totient is φ = 26703360.

The previous prime is 100455233. The next prime is 100455253. The reversal of 100455240 is 42554001.

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, 42900 + ... + 45180.

It is an arithmetic number, because the mean of its divisors is an integer number (4723740).

Almost surely, 2^100455240 is an apocalyptic number.

100455240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100455240 is an abundant number, since it is smaller than the sum of its proper divisors (201864120).

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

100455240 is a wasteful number, since it uses less digits than its factorization.

100455240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662 (or 2658 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 100455240 is about 10022.7361533665. The cubic root of 100455240 is about 464.8621628688.

The spelling of 100455240 in words is "one hundred million, four hundred fifty-five thousand, two hundred forty".