142252743 has 16 divisors (see below), whose sum is σ = 198165600. Its totient is φ = 90652800.

The previous prime is 142252741. The next prime is 142252777. The reversal of 142252743 is 347252241.

It is not a de Polignac number, because 142252743 - 2¹ = 142252741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142252743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142252741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693 + ... + 16881.

It is an arithmetic number, because the mean of its divisors is an integer number (12385350).

Almost surely, 2^142252743 is an apocalyptic number.

142252743 is a deficient number, since it is larger than the sum of its proper divisors (55912857).

142252743 is a wasteful number, since it uses less digits than its factorization.

142252743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16322.

The product of its digits is 13440, while the sum is 30.

The square root of 142252743 is about 11926.9754338642. The cubic root of 142252743 is about 522.0196884869.

The spelling of 142252743 in words is "one hundred forty-two million, two hundred fifty-two thousand, seven hundred forty-three".