102156218 has 8 divisors (see below), whose sum is σ = 156798048. Its totient is φ = 49890204.

The previous prime is 102156211. The next prime is 102156221. The reversal of 102156218 is 812651201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (102156211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593846 + ... + 594017.

It is an arithmetic number, because the mean of its divisors is an integer number (19599756).

Almost surely, 2^102156218 is an apocalyptic number.

102156218 is a deficient number, since it is larger than the sum of its proper divisors (54641830).

102156218 is a wasteful number, since it uses less digits than its factorization.

102156218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187908.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 102156218 is about 10107.2359228426. The cubic root of 102156218 is about 467.4712811817.

The spelling of 102156218 in words is "one hundred two million, one hundred fifty-six thousand, two hundred eighteen".