142263249747 has 8 divisors (see below), whose sum is σ = 189848851344. Its totient is φ = 94759907328.

The previous prime is 142263249707. The next prime is 142263249827. The reversal of 142263249747 is 747942362241.

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

It is not a de Polignac number, because 142263249747 - 2¹⁴ = 142263233363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142263249747.

It is not an unprimeable number, because it can be changed into a prime (142263249707) 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, 20560758 + ... + 20567675.

It is an arithmetic number, because the mean of its divisors is an integer number (23731106418).

Almost surely, 2^142263249747 is an apocalyptic number.

142263249747 is a deficient number, since it is larger than the sum of its proper divisors (47585601597).

142263249747 is a wasteful number, since it uses less digits than its factorization.

142263249747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41129589.

The product of its digits is 4064256, while the sum is 51.

The spelling of 142263249747 in words is "one hundred forty-two billion, two hundred sixty-three million, two hundred forty-nine thousand, seven hundred forty-seven".