245102 has 16 divisors (see below), whose sum is σ = 432432. Its totient is φ = 102720.

The previous prime is 245087. The next prime is 245107. The reversal of 245102 is 201542.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245107) by changing a digit.

245102 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143 + ... + 714.

It is an arithmetic number, because the mean of its divisors is an integer number (27027).

2²⁴⁵¹⁰² is an apocalyptic number.

245102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245102 is a deficient number, since it is larger than the sum of its proper divisors (187330).

245102 is a wasteful number, since it uses less digits than its factorization.

245102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 245102 is about 495.0777716683. The cubic root of 245102 is about 62.5819298863.

Adding to 245102 its reverse (201542), we get a palindrome (446644).

The spelling of 245102 in words is "two hundred forty-five thousand, one hundred two".