1142818195 has 8 divisors (see below), whose sum is σ = 1378274400. Its totient is φ = 909659520.

The previous prime is 1142818177. The next prime is 1142818211. The reversal of 1142818195 is 5918182411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1142818195 is a prime.

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, 573286 + ... + 575275.

It is an arithmetic number, because the mean of its divisors is an integer number (172284300).

Almost surely, 2^1142818195 is an apocalyptic number.

1142818195 is a deficient number, since it is larger than the sum of its proper divisors (235456205).

1142818195 is a wasteful number, since it uses less digits than its factorization.

1142818195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148765.

The product of its digits is 23040, while the sum is 40.

The square root of 1142818195 is about 33805.5941376572. The cubic root of 1142818195 is about 1045.5040401715.

The spelling of 1142818195 in words is "one billion, one hundred forty-two million, eight hundred eighteen thousand, one hundred ninety-five".