142644703 has 8 divisors (see below), whose sum is σ = 144936000. Its totient is φ = 140371488.

The previous prime is 142644659. The next prime is 142644727. The reversal of 142644703 is 307446241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142644703 is a prime.

It is a super-2 number, since 2×142644703² = 40695022587916418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142644793) 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, 11850 + ... + 20632.

It is an arithmetic number, because the mean of its divisors is an integer number (18117000).

Almost surely, 2^142644703 is an apocalyptic number.

142644703 is a deficient number, since it is larger than the sum of its proper divisors (2291297).

142644703 is a wasteful number, since it uses less digits than its factorization.

142644703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9041.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 142644703 is about 11943.3957901428. The cubic root of 142644703 is about 522.4987025601.

The spelling of 142644703 in words is "one hundred forty-two million, six hundred forty-four thousand, seven hundred three".