142291012 has 12 divisors (see below), whose sum is σ = 249550336. Its totient is φ = 70990920.

The previous prime is 142291007. The next prime is 142291027. The reversal of 142291012 is 210192241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36564 + ... + 40267.

Almost surely, 2^142291012 is an apocalyptic number.

It is an amenable number.

142291012 is a deficient number, since it is larger than the sum of its proper divisors (107259324).

142291012 is a wasteful number, since it uses less digits than its factorization.

142291012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77298 (or 77296 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 142291012 is about 11928.5796304506. The cubic root of 142291012 is about 522.0664957396.

The spelling of 142291012 in words is "one hundred forty-two million, two hundred ninety-one thousand, twelve".