1143115298 has 32 divisors (see below), whose sum is σ = 1862784000. Its totient is φ = 522985536.

The previous prime is 1143115291. The next prime is 1143115313. The reversal of 1143115298 is 8925113411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1143115291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2386223 + ... + 2386701.

It is an arithmetic number, because the mean of its divisors is an integer number (58212000).

Almost surely, 2^1143115298 is an apocalyptic number.

1143115298 is a deficient number, since it is larger than the sum of its proper divisors (719668702).

1143115298 is a wasteful number, since it uses less digits than its factorization.

1143115298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its digits is 8640, while the sum is 35.

The square root of 1143115298 is about 33809.9881396016. The cubic root of 1143115298 is about 1045.5946336051.

The spelling of 1143115298 in words is "one billion, one hundred forty-three million, one hundred fifteen thousand, two hundred ninety-eight".