142630743 has 8 divisors (see below), whose sum is σ = 190242288. Its totient is φ = 95053184.

The previous prime is 142630727. The next prime is 142630793. The reversal of 142630743 is 347036241.

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 142630743 - 2⁴ = 142630727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142630743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142630703) 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 7 ways as a sum of consecutive naturals, for example, 3871 + ... + 17327.

It is an arithmetic number, because the mean of its divisors is an integer number (23780286).

Almost surely, 2^142630743 is an apocalyptic number.

142630743 is a deficient number, since it is larger than the sum of its proper divisors (47611545).

142630743 is a wasteful number, since it uses less digits than its factorization.

142630743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16993.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 142630743 is about 11942.8113524413. The cubic root of 142630743 is about 522.4816571325.

Adding to 142630743 its reverse (347036241), we get a palindrome (489666984).

The spelling of 142630743 in words is "one hundred forty-two million, six hundred thirty thousand, seven hundred forty-three".