102555244 has 18 divisors (see below), whose sum is σ = 197271452. Its totient is φ = 46615800.

The previous prime is 102555197. The next prime is 102555253. The reversal of 102555244 is 442555201.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105462 + ... + 106429.

Almost surely, 2^102555244 is an apocalyptic number.

It is an amenable number.

102555244 is a deficient number, since it is larger than the sum of its proper divisors (94716208).

102555244 is a wasteful number, since it uses less digits than its factorization.

102555244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211917 (or 211904 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 102555244 is about 10126.9563048332. The cubic root of 102555244 is about 468.0791438460.

The spelling of 102555244 in words is "one hundred two million, five hundred fifty-five thousand, two hundred forty-four".