1145635198 has 24 divisors (see below), whose sum is σ = 1858411800. Its totient is φ = 529004784.

The previous prime is 1145635171. The next prime is 1145635213. The reversal of 1145635198 is 8915365411.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12013 + ... + 49351.

It is an arithmetic number, because the mean of its divisors is an integer number (77433825).

Almost surely, 2^1145635198 is an apocalyptic number.

1145635198 is a deficient number, since it is larger than the sum of its proper divisors (712776602).

1145635198 is a wasteful number, since it uses less digits than its factorization.

1145635198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37416 (or 37393 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 1145635198 is about 33847.2332399563. The cubic root of 1145635198 is about 1046.3623777484.

The spelling of 1145635198 in words is "one billion, one hundred forty-five million, six hundred thirty-five thousand, one hundred ninety-eight".