102946 has 4 divisors (see below), whose sum is σ = 154422. Its totient is φ = 51472.

The previous prime is 102931. The next prime is 102953. The reversal of 102946 is 649201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 3721 = 315^2 + 61^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25735 + ... + 25738.

2¹⁰²⁹⁴⁶ is an apocalyptic number.

102946 is a deficient number, since it is larger than the sum of its proper divisors (51476).

102946 is an equidigital number, since it uses as much as digits as its factorization.

102946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51475.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 102946 is about 320.8519907995. The cubic root of 102946 is about 46.8672882128.

The spelling of 102946 in words is "one hundred two thousand, nine hundred forty-six".