1142299142 has 8 divisors (see below), whose sum is σ = 1745778096. Its totient is φ = 560373112.

The previous prime is 1142299127. The next prime is 1142299159. The reversal of 1142299142 is 2419922411.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5388098 + ... + 5388309.

It is an arithmetic number, because the mean of its divisors is an integer number (218222262).

Almost surely, 2^1142299142 is an apocalyptic number.

1142299142 is a deficient number, since it is larger than the sum of its proper divisors (603478954).

1142299142 is a wasteful number, since it uses less digits than its factorization.

1142299142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10776462.

The product of its digits is 10368, while the sum is 35.

The square root of 1142299142 is about 33797.9162375434. The cubic root of 1142299142 is about 1045.3457314718.

The spelling of 1142299142 in words is "one billion, one hundred forty-two million, two hundred ninety-nine thousand, one hundred forty-two".