100433444 has 6 divisors (see below), whose sum is σ = 175758534. Its totient is φ = 50216720.

The previous prime is 100433419. The next prime is 100433447. The reversal of 100433444 is 444334001.

It can be written as a sum of positive squares in only one way, i.e., 78996544 + 21436900 = 8888^2 + 4630^2 .

It is a super-2 number, since 2×100433444² = 20173753347402272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100433447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12554177 + ... + 12554184.

It is an arithmetic number, because the mean of its divisors is an integer number (29293089).

Almost surely, 2^100433444 is an apocalyptic number.

It is an amenable number.

100433444 is a deficient number, since it is larger than the sum of its proper divisors (75325090).

100433444 is a wasteful number, since it uses less digits than its factorization.

100433444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25108365 (or 25108363 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 100433444 is about 10021.6487665454. The cubic root of 100433444 is about 464.8285397062.

Adding to 100433444 its reverse (444334001), we get a palindrome (544767445).

The spelling of 100433444 in words is "one hundred million, four hundred thirty-three thousand, four hundred forty-four".