102250144 has 24 divisors (see below), whose sum is σ = 205106580. Its totient is φ = 50159616.

The previous prime is 102250139. The next prime is 102250193. The reversal of 102250144 is 441052201.

It can be written as a sum of positive squares in 2 ways, for example, as 96432400 + 5817744 = 9820^2 + 2412^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28449 + ... + 31840.

Almost surely, 2^102250144 is an apocalyptic number.

It is an amenable number.

102250144 is an abundant number, since it is smaller than the sum of its proper divisors (102856436).

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

102250144 is an equidigital number, since it uses as much as digits as its factorization.

102250144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60352 (or 60344 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 102250144 is about 10111.8813284176. The cubic root of 102250144 is about 467.6145071106.

The spelling of 102250144 in words is "one hundred two million, two hundred fifty thousand, one hundred forty-four".