245120202 has 16 divisors (see below), whose sum is σ = 544711680. Its totient is φ = 81706716.

The previous prime is 245120179. The next prime is 245120221. The reversal of 245120202 is 202021542.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2269578 + ... + 2269685.

It is an arithmetic number, because the mean of its divisors is an integer number (34044480).

Almost surely, 2^245120202 is an apocalyptic number.

245120202 is an abundant number, since it is smaller than the sum of its proper divisors (299591478).

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

245120202 is a wasteful number, since it uses less digits than its factorization.

245120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539274 (or 4539268 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 245120202 is about 15656.3150836971. The cubic root of 245120202 is about 625.8347902107.

Adding to 245120202 its reverse (202021542), we get a palindrome (447141744).

The spelling of 245120202 in words is "two hundred forty-five million, one hundred twenty thousand, two hundred two".