102457328 has 20 divisors (see below), whose sum is σ = 198867480. Its totient is φ = 51136704.

The previous prime is 102457309. The next prime is 102457337. The reversal of 102457328 is 823754201.

It is a junction number, because it is equal to n+sod(n) for n = 102457294 and 102457303.

It is a congruent number.

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, 3938 + ... + 14846.

It is an arithmetic number, because the mean of its divisors is an integer number (9943374).

Almost surely, 2^102457328 is an apocalyptic number.

It is an amenable number.

102457328 is a deficient number, since it is larger than the sum of its proper divisors (96410152).

102457328 is a wasteful number, since it uses less digits than its factorization.

102457328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504 (or 11498 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 102457328 is about 10122.1207264091. The cubic root of 102457328 is about 467.9301281228.

The spelling of 102457328 in words is "one hundred two million, four hundred fifty-seven thousand, three hundred twenty-eight".