1142858299 has 8 divisors (see below), whose sum is σ = 1247109120. Its totient is φ = 1038666600.

The previous prime is 1142858287. The next prime is 1142858309. The reversal of 1142858299 is 9928582411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142858299 is a prime.

It is a super-2 number, since 2×1142858299² = 2612250183186346802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142858399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32134 + ... + 57604.

It is an arithmetic number, because the mean of its divisors is an integer number (155888640).

Almost surely, 2^1142858299 is an apocalyptic number.

1142858299 is a deficient number, since it is larger than the sum of its proper divisors (104250821).

1142858299 is a wasteful number, since it uses less digits than its factorization.

1142858299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29561.

The product of its digits is 414720, while the sum is 49.

The square root of 1142858299 is about 33806.1872887198. The cubic root of 1142858299 is about 1045.5162697060.

The spelling of 1142858299 in words is "one billion, one hundred forty-two million, eight hundred fifty-eight thousand, two hundred ninety-nine".