245031102 has 16 divisors (see below), whose sum is σ = 544513680. Its totient is φ = 81677016.

The previous prime is 245031079. The next prime is 245031107. The reversal of 245031102 is 201130542.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245031107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268753 + ... + 2268860.

It is an arithmetic number, because the mean of its divisors is an integer number (34032105).

Almost surely, 2^245031102 is an apocalyptic number.

245031102 is an abundant number, since it is smaller than the sum of its proper divisors (299482578).

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

245031102 is a wasteful number, since it uses less digits than its factorization.

245031102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537624 (or 4537618 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 245031102 is about 15653.4693279158. The cubic root of 245031102 is about 625.7589517213.

Adding to 245031102 its reverse (201130542), we get a palindrome (446161644).

The spelling of 245031102 in words is "two hundred forty-five million, thirty-one thousand, one hundred two".