102444544 has 20 divisors (see below), whose sum is σ = 204690024. Its totient is φ = 51222016.

The previous prime is 102444469. The next prime is 102444547. The reversal of 102444544 is 445444201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102444547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99532 + ... + 100555.

Almost surely, 2^102444544 is an apocalyptic number.

It is an amenable number.

102444544 is a deficient number, since it is larger than the sum of its proper divisors (102245480).

102444544 is an frugal number, since it uses more digits than its factorization.

102444544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200105 (or 200089 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 102444544 is about 10121.4892184895. The cubic root of 102444544 is about 467.9106654916.

Adding to 102444544 its reverse (445444201), we get a palindrome (547888745).

The spelling of 102444544 in words is "one hundred two million, four hundred forty-four thousand, five hundred forty-four".