102242544 has 80 divisors (see below), whose sum is σ = 283172352. Its totient is φ = 31705344.

The previous prime is 102242537. The next prime is 102242549. The reversal of 102242544 is 445242201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102242549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39597 + ... + 42099.

Almost surely, 2^102242544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102242544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141586176).

102242544 is an abundant number, since it is smaller than the sum of its proper divisors (180929808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102242544 is a wasteful number, since it uses less digits than its factorization.

102242544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574 (or 2568 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 102242544 is about 10111.5055258849. The cubic root of 102242544 is about 467.6029212808.

Adding to 102242544 its reverse (445242201), we get a palindrome (547484745).

The spelling of 102242544 in words is "one hundred two million, two hundred forty-two thousand, five hundred forty-four".