102279852 has 36 divisors (see below), whose sum is σ = 258856416. Its totient is φ = 34051680.

The previous prime is 102279851. The next prime is 102279889. The reversal of 102279852 is 258972201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×102279852² = 20922336250283808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (102279851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46702 + ... + 48842.

It is an arithmetic number, because the mean of its divisors is an integer number (7190456).

Almost surely, 2^102279852 is an apocalyptic number.

102279852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102279852 is an abundant number, since it is smaller than the sum of its proper divisors (156576564).

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

102279852 is a wasteful number, since it uses less digits than its factorization.

102279852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478 (or 3473 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 102279852 is about 10113.3501867581. The cubic root of 102279852 is about 467.6597900024.

The spelling of 102279852 in words is "one hundred two million, two hundred seventy-nine thousand, eight hundred fifty-two".