100471444 has 6 divisors (see below), whose sum is σ = 175825034. Its totient is φ = 50235720.

The previous prime is 100471439. The next prime is 100471451. The reversal of 100471444 is 444174001.

It can be written as a sum of positive squares in only one way, i.e., 99002500 + 1468944 = 9950^2 + 1212^2 .

It is a super-2 number, since 2×100471444² = 20189022118890272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12558927 + ... + 12558934.

Almost surely, 2^100471444 is an apocalyptic number.

It is an amenable number.

100471444 is a deficient number, since it is larger than the sum of its proper divisors (75353590).

100471444 is a wasteful number, since it uses less digits than its factorization.

100471444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25117865 (or 25117863 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 100471444 is about 10023.5444828663. The cubic root of 100471444 is about 464.8871564928.

The spelling of 100471444 in words is "one hundred million, four hundred seventy-one thousand, four hundred forty-four".