100450140 has 48 divisors (see below), whose sum is σ = 321441792. Its totient is φ = 22959936.

The previous prime is 100450121. The next prime is 100450213. The reversal of 100450140 is 41054001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119164 + ... + 120003.

It is an arithmetic number, because the mean of its divisors is an integer number (6696704).

Almost surely, 2^100450140 is an apocalyptic number.

100450140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100450140 is an abundant number, since it is smaller than the sum of its proper divisors (220991652).

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

100450140 is a wasteful number, since it uses less digits than its factorization.

100450140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239186 (or 239184 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 100450140 is about 10022.4817285940. The cubic root of 100450140 is about 464.8542958919.

The spelling of 100450140 in words is "one hundred million, four hundred fifty thousand, one hundred forty".