100457244 has 18 divisors (see below), whose sum is σ = 253933680. Its totient is φ = 33485736.

The previous prime is 100457221. The next prime is 100457249. The reversal of 100457244 is 442754001.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100457249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1395204 + ... + 1395275.

Almost surely, 2^100457244 is an apocalyptic number.

It is an amenable number.

100457244 is an abundant number, since it is smaller than the sum of its proper divisors (153476436).

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

100457244 is a wasteful number, since it uses less digits than its factorization.

100457244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790489 (or 2790484 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 100457244 is about 10022.8361255685. The cubic root of 100457244 is about 464.8652540551.

The spelling of 100457244 in words is "one hundred million, four hundred fifty-seven thousand, two hundred forty-four".