157142857143 has 8 divisors (see below), whose sum is σ = 221848739568. Its totient is φ = 98599439744.

The previous prime is 157142857127. The next prime is 157142857169. The reversal of 157142857143 is 341758241751.

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 157142857143 - 2⁴ = 157142857127 is a prime.

It is a super-2 number, since 2×157142857143² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157142857092 and 157142857101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157142857103) 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, 1540616196 + ... + 1540616297.

It is an arithmetic number, because the mean of its divisors is an integer number (27731092446).

Almost surely, 2^157142857143 is an apocalyptic number.

157142857143 is a deficient number, since it is larger than the sum of its proper divisors (64705882425).

157142857143 is a wasteful number, since it uses less digits than its factorization.

157142857143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081232513.

The product of its digits is 940800, while the sum is 48.

The spelling of 157142857143 in words is "one hundred fifty-seven billion, one hundred forty-two million, eight hundred fifty-seven thousand, one hundred forty-three".