245045198 has 4 divisors (see below), whose sum is σ = 367567800. Its totient is φ = 122522598.

The previous prime is 245045167. The next prime is 245045209. The reversal of 245045198 is 891540542.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61261298 + ... + 61261301.

It is an arithmetic number, because the mean of its divisors is an integer number (91891950).

Almost surely, 2^245045198 is an apocalyptic number.

245045198 is a deficient number, since it is larger than the sum of its proper divisors (122522602).

245045198 is a wasteful number, since it uses less digits than its factorization.

245045198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122522601.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 245045198 is about 15653.9195730654. The cubic root of 245045198 is about 625.7709509178.

The spelling of 245045198 in words is "two hundred forty-five million, forty-five thousand, one hundred ninety-eight".