102280456 has 16 divisors (see below), whose sum is σ = 191883600. Its totient is φ = 51111504.

The previous prime is 102280447. The next prime is 102280463. The reversal of 102280456 is 654082201.

It is a super-2 number, since 2×102280456² = 20922583359135872, which contains 22 as substring.

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, 24111 + ... + 28033.

It is an arithmetic number, because the mean of its divisors is an integer number (11992725).

Almost surely, 2^102280456 is an apocalyptic number.

It is an amenable number.

102280456 is a deficient number, since it is larger than the sum of its proper divisors (89603144).

102280456 is a wasteful number, since it uses less digits than its factorization.

102280456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7188 (or 7184 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 102280456 is about 10113.3800482331. The cubic root of 102280456 is about 467.6607105680.

The spelling of 102280456 in words is "one hundred two million, two hundred eighty thousand, four hundred fifty-six".