245198902 has 16 divisors (see below), whose sum is σ = 408868992. Its totient is φ = 109517760.

The previous prime is 245198893. The next prime is 245198909. The reversal of 245198902 is 209891542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245198909) 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, 151303 + ... + 152914.

It is an arithmetic number, because the mean of its divisors is an integer number (25554312).

Almost surely, 2^245198902 is an apocalyptic number.

245198902 is a deficient number, since it is larger than the sum of its proper divisors (163670090).

245198902 is a wasteful number, since it uses less digits than its factorization.

245198902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304263.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 245198902 is about 15658.8282447953. The cubic root of 245198902 is about 625.9017613366.

The spelling of 245198902 in words is "two hundred forty-five million, one hundred ninety-eight thousand, nine hundred two".