142243463 has 8 divisors (see below), whose sum is σ = 147496800. Its totient is φ = 137013408.

The previous prime is 142243433. The next prime is 142243483. The reversal of 142243463 is 364342241.

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

It is a cyclic number.

It is not a de Polignac number, because 142243463 - 2¹² = 142239367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142243433) 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, 7145 + ... + 18317.

It is an arithmetic number, because the mean of its divisors is an integer number (18437100).

Almost surely, 2^142243463 is an apocalyptic number.

142243463 is a deficient number, since it is larger than the sum of its proper divisors (5253337).

142243463 is a wasteful number, since it uses less digits than its factorization.

142243463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11641.

The product of its digits is 13824, while the sum is 29.

The square root of 142243463 is about 11926.5863934321. The cubic root of 142243463 is about 522.0083367478.

The spelling of 142243463 in words is "one hundred forty-two million, two hundred forty-three thousand, four hundred sixty-three".