142774857143 has 8 divisors (see below), whose sum is σ = 148684753536. Its totient is φ = 136946476800.

The previous prime is 142774857133. The next prime is 142774857157. The reversal of 142774857143 is 341758477241.

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 142774857143 - 2⁶ = 142774857079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142774857103) 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, 20375438 + ... + 20382443.

It is an arithmetic number, because the mean of its divisors is an integer number (18585594192).

Almost surely, 2^142774857143 is an apocalyptic number.

142774857143 is a deficient number, since it is larger than the sum of its proper divisors (5909896393).

142774857143 is a wasteful number, since it uses less digits than its factorization.

142774857143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40758025.

The product of its digits is 5268480, while the sum is 53.

The spelling of 142774857143 in words is "one hundred forty-two billion, seven hundred seventy-four million, eight hundred fifty-seven thousand, one hundred forty-three".