100203025444 has 6 divisors (see below), whose sum is σ = 175355294534. Its totient is φ = 50101512720.

The previous prime is 100203025423. The next prime is 100203025459. The reversal of 100203025444 is 444520302001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83642424100 + 16560601344 = 289210^2 + 128688^2 .

It is a super-2 number, since 2×100203025444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12525378177 + ... + 12525378184.

Almost surely, 2^100203025444 is an apocalyptic number.

It is an amenable number.

100203025444 is a deficient number, since it is larger than the sum of its proper divisors (75152269090).

100203025444 is a wasteful number, since it uses less digits than its factorization.

100203025444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25050756365 (or 25050756363 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 100203025444 its reverse (444520302001), we get a palindrome (544723327445).

The spelling of 100203025444 in words is "one hundred billion, two hundred three million, twenty-five thousand, four hundred forty-four".