102814540 has 12 divisors (see below), whose sum is σ = 215910576. Its totient is φ = 41125808.

The previous prime is 102814513. The next prime is 102814571. The reversal of 102814540 is 45418201.

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 3 ways as a sum of consecutive naturals, for example, 2570344 + ... + 2570383.

It is an arithmetic number, because the mean of its divisors is an integer number (17992548).

Almost surely, 2^102814540 is an apocalyptic number.

102814540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102814540 is an abundant number, since it is smaller than the sum of its proper divisors (113096036).

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

102814540 is a wasteful number, since it uses less digits than its factorization.

102814540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140736 (or 5140734 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 102814540 is about 10139.7504900269. The cubic root of 102814540 is about 468.4733018261.

The spelling of 102814540 in words is "one hundred two million, eight hundred fourteen thousand, five hundred forty".