100235144 has 16 divisors (see below), whose sum is σ = 189879900. Its totient is φ = 49600512.

The previous prime is 100235143. The next prime is 100235153. The reversal of 100235144 is 441532001.

It can be written as a sum of positive squares in 2 ways, for example, as 92891044 + 7344100 = 9638^2 + 2710^2 .

It is not an unprimeable number, because it can be changed into a prime (100235141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63809 + ... + 65360.

Almost surely, 2^100235144 is an apocalyptic number.

It is an amenable number.

100235144 is a deficient number, since it is larger than the sum of its proper divisors (89644756).

100235144 is a wasteful number, since it uses less digits than its factorization.

100235144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129272 (or 129268 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 100235144 is about 10011.7502965266. The cubic root of 100235144 is about 464.5224124926.

Adding to 100235144 its reverse (441532001), we get a palindrome (541767145).

The spelling of 100235144 in words is "one hundred million, two hundred thirty-five thousand, one hundred forty-four".