245443198 has 32 divisors (see below), whose sum is σ = 494323200. Its totient is φ = 88270560.

The previous prime is 245443171. The next prime is 245443207. The reversal of 245443198 is 891344542.

It is a self number, because there is not a number n which added to its sum of digits gives 245443198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59298 + ... + 63301.

It is an arithmetic number, because the mean of its divisors is an integer number (15447600).

Almost surely, 2^245443198 is an apocalyptic number.

245443198 is an abundant number, since it is smaller than the sum of its proper divisors (248880002).

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

245443198 is a wasteful number, since it uses less digits than its factorization.

245443198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122632.

The product of its digits is 138240, while the sum is 40.

The square root of 245443198 is about 15666.6268864743. The cubic root of 245443198 is about 626.1095580040.

The spelling of 245443198 in words is "two hundred forty-five million, four hundred forty-three thousand, one hundred ninety-eight".