102255244 has 24 divisors (see below), whose sum is σ = 220242848. Its totient is φ = 40452480.

The previous prime is 102255227. The next prime is 102255277. The reversal of 102255244 is 442552201.

It is a super-2 number, since 2×102255244² = 20912269850999072, which contains 22 as substring.

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, 140097 + ... + 140824.

Almost surely, 2^102255244 is an apocalyptic number.

102255244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102255244 is an abundant number, since it is smaller than the sum of its proper divisors (117987604).

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

102255244 is a wasteful number, since it uses less digits than its factorization.

102255244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280945 (or 280943 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 102255244 is about 10112.1335038655. The cubic root of 102255244 is about 467.6222814903.

The spelling of 102255244 in words is "one hundred two million, two hundred fifty-five thousand, two hundred forty-four".