142244463 has 8 divisors (see below), whose sum is σ = 190148400. Its totient is φ = 94585088.

The previous prime is 142244411. The next prime is 142244483. The reversal of 142244463 is 364442241.

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 142244463 - 2⁹ = 142243951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142244463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142244483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59778 + ... + 62111.

It is an arithmetic number, because the mean of its divisors is an integer number (23768550).

Almost surely, 2^142244463 is an apocalyptic number.

142244463 is a deficient number, since it is larger than the sum of its proper divisors (47903937).

142244463 is a wasteful number, since it uses less digits than its factorization.

142244463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122281.

The product of its digits is 18432, while the sum is 30.

The square root of 142244463 is about 11926.6283165025. The cubic root of 142244463 is about 522.0095600193.

The spelling of 142244463 in words is "one hundred forty-two million, two hundred forty-four thousand, four hundred sixty-three".