102002944 has 72 divisors (see below), whose sum is σ = 218217440. Its totient is φ = 47443968.

The previous prime is 102002909. The next prime is 102002951. The reversal of 102002944 is 449200201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325732 + ... + 326044.

Almost surely, 2^102002944 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 102002944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109108720).

102002944 is an abundant number, since it is smaller than the sum of its proper divisors (116214496).

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

102002944 is an equidigital number, since it uses as much as digits as its factorization.

102002944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 102002944 is about 10099.6506870287. The cubic root of 102002944 is about 467.2373680000.

The spelling of 102002944 in words is "one hundred two million, two thousand, nine hundred forty-four".