305102 has 32 divisors (see below), whose sum is σ = 583680. Its totient is φ = 116640.

The previous prime is 305101. The next prime is 305111. The reversal of 305102 is 201503.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305101) 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 15 ways as a sum of consecutive naturals, for example, 8228 + ... + 8264.

It is an arithmetic number, because the mean of its divisors is an integer number (18240).

2³⁰⁵¹⁰² is an apocalyptic number.

305102 is a deficient number, since it is larger than the sum of its proper divisors (278578).

305102 is a wasteful number, since it uses less digits than its factorization.

305102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 305102 is about 552.3603896008. The cubic root of 305102 is about 67.3206578979.

Adding to 305102 its reverse (201503), we get a palindrome (506605).

The spelling of 305102 in words is "three hundred five thousand, one hundred two".