102339146 has 24 divisors (see below), whose sum is σ = 192310020. Its totient is φ = 40485312.

The previous prime is 102339143. The next prime is 102339161. The reversal of 102339146 is 641933201.

It can be written as a sum of positive squares in 2 ways, for example, as 102313225 + 25921 = 10115^2 + 161^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102339143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38891 + ... + 41438.

Almost surely, 2^102339146 is an apocalyptic number.

102339146 is a deficient number, since it is larger than the sum of its proper divisors (89970874).

102339146 is a wasteful number, since it uses less digits than its factorization.

102339146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80358 (or 80351 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 102339146 is about 10116.2812337341. The cubic root of 102339146 is about 467.7501436165.

The spelling of 102339146 in words is "one hundred two million, three hundred thirty-nine thousand, one hundred forty-six".