102286842 has 64 divisors (see below), whose sum is σ = 256849920. Its totient is φ = 26478144.

The previous prime is 102286837. The next prime is 102286853. The reversal of 102286842 is 248682201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15568 + ... + 21140.

It is an arithmetic number, because the mean of its divisors is an integer number (4013280).

Almost surely, 2^102286842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102286842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128424960).

102286842 is an abundant number, since it is smaller than the sum of its proper divisors (154563078).

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

102286842 is a wasteful number, since it uses less digits than its factorization.

102286842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 102286842 is about 10113.6957636662. The cubic root of 102286842 is about 467.6704433468.

The spelling of 102286842 in words is "one hundred two million, two hundred eighty-six thousand, eight hundred forty-two".