102857244 has 48 divisors (see below), whose sum is σ = 280132608. Its totient is φ = 28761408.

The previous prime is 102857231. The next prime is 102857263. The reversal of 102857244 is 442758201.

It is a super-2 number, since 2×102857244² = 21159225286551072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9079 + ... + 16974.

It is an arithmetic number, because the mean of its divisors is an integer number (5836096).

Almost surely, 2^102857244 is an apocalyptic number.

102857244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102857244 is an abundant number, since it is smaller than the sum of its proper divisors (177275364).

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

102857244 is a wasteful number, since it uses less digits than its factorization.

102857244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26114 (or 26112 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 102857244 is about 10141.8560431511. The cubic root of 102857244 is about 468.5381529477.

The spelling of 102857244 in words is "one hundred two million, eight hundred fifty-seven thousand, two hundred forty-four".