102281456 has 40 divisors (see below), whose sum is σ = 203789040. Its totient is φ = 49711104.

The previous prime is 102281411. The next prime is 102281479. The reversal of 102281456 is 654182201.

It is a super-2 number, since 2×102281456² = 20922992482959872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91010 + ... + 92126.

It is an arithmetic number, because the mean of its divisors is an integer number (5094726).

Almost surely, 2^102281456 is an apocalyptic number.

102281456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102281456 is a deficient number, since it is larger than the sum of its proper divisors (101507584).

102281456 is a wasteful number, since it uses less digits than its factorization.

102281456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 102281456 is about 10113.4294875675. The cubic root of 102281456 is about 467.6622346754.

The spelling of 102281456 in words is "one hundred two million, two hundred eighty-one thousand, four hundred fifty-six".