102156322 has 16 divisors (see below), whose sum is σ = 155692800. Its totient is φ = 50263200.

The previous prime is 102156269. The next prime is 102156343. The reversal of 102156322 is 223651201.

It is a junction number, because it is equal to n+sod(n) for n = 102156293 and 102156302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55822 + ... + 57622.

It is an arithmetic number, because the mean of its divisors is an integer number (9730800).

Almost surely, 2^102156322 is an apocalyptic number.

102156322 is a deficient number, since it is larger than the sum of its proper divisors (53536478).

102156322 is a wasteful number, since it uses less digits than its factorization.

102156322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 102156322 is about 10107.2410676702. The cubic root of 102156322 is about 467.4714398178.

The spelling of 102156322 in words is "one hundred two million, one hundred fifty-six thousand, three hundred twenty-two".