142831073 has 32 divisors (see below), whose sum is σ = 185131008. Its totient is φ = 106977600.

The previous prime is 142831067. The next prime is 142831109. The reversal of 142831073 is 370138241.

It is a cyclic number.

It is not a de Polignac number, because 142831073 - 2¹⁸ = 142568929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142831373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220436 + ... + 221082.

It is an arithmetic number, because the mean of its divisors is an integer number (5785344).

Almost surely, 2^142831073 is an apocalyptic number.

It is an amenable number.

142831073 is a deficient number, since it is larger than the sum of its proper divisors (42299935).

142831073 is a wasteful number, since it uses less digits than its factorization.

142831073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 142831073 is about 11951.1954632162. The cubic root of 142831073 is about 522.7261574478.

The spelling of 142831073 in words is "one hundred forty-two million, eight hundred thirty-one thousand, seventy-three".