100451444 has 6 divisors (see below), whose sum is σ = 175790034. Its totient is φ = 50225720.

The previous prime is 100451443. The next prime is 100451459. The reversal of 100451444 is 444154001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 99241444 + 1210000 = 9962^2 + 1100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100451443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12556427 + ... + 12556434.

It is an arithmetic number, because the mean of its divisors is an integer number (29298339).

Almost surely, 2^100451444 is an apocalyptic number.

It is an amenable number.

100451444 is a deficient number, since it is larger than the sum of its proper divisors (75338590).

100451444 is a wasteful number, since it uses less digits than its factorization.

100451444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25112865 (or 25112863 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 100451444 is about 10022.5467821308. The cubic root of 100451444 is about 464.8563073953.

The spelling of 100451444 in words is "one hundred million, four hundred fifty-one thousand, four hundred forty-four".