102455868 has 24 divisors (see below), whose sum is σ = 246776320. Its totient is φ = 33050160.

The previous prime is 102455863. The next prime is 102455879. The reversal of 102455868 is 868554201.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102455863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137338 + ... + 138081.

Almost surely, 2^102455868 is an apocalyptic number.

It is an amenable number.

102455868 is an abundant number, since it is smaller than the sum of its proper divisors (144320452).

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

102455868 is a wasteful number, since it uses less digits than its factorization.

102455868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275457 (or 275455 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 102455868 is about 10122.0486068780. The cubic root of 102455868 is about 467.9279054699.

The spelling of 102455868 in words is "one hundred two million, four hundred fifty-five thousand, eight hundred sixty-eight".