142856433757 has 4 divisors (see below), whose sum is σ = 143732853760. Its totient is φ = 141980013756.

The previous prime is 142856433719. The next prime is 142856433803. The reversal of 142856433757 is 757334658241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 757334658241 = 7 ⋅108190665463.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142856433757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142856433698 and 142856433707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142856433857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438209757 + ... + 438210082.

It is an arithmetic number, because the mean of its divisors is an integer number (35933213440).

Almost surely, 2^142856433757 is an apocalyptic number.

It is an amenable number.

142856433757 is a deficient number, since it is larger than the sum of its proper divisors (876420003).

142856433757 is an equidigital number, since it uses as much as digits as its factorization.

142856433757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876420002.

The product of its digits is 16934400, while the sum is 55.

The spelling of 142856433757 in words is "one hundred forty-two billion, eight hundred fifty-six million, four hundred thirty-three thousand, seven hundred fifty-seven".