157868143 has 2 divisors, whose sum is σ = 157868144. Its totient is φ = 157868142.

The previous prime is 157868099. The next prime is 157868153. The reversal of 157868143 is 341868751.

157868143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157868143 - 2¹³ = 157859951 is a prime.

It is a super-3 number, since 3×157868143³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157868143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157868153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78934071 + 78934072.

It is an arithmetic number, because the mean of its divisors is an integer number (78934072).

Almost surely, 2^157868143 is an apocalyptic number.

157868143 is a deficient number, since it is larger than the sum of its proper divisors (1).

157868143 is an equidigital number, since it uses as much as digits as its factorization.

157868143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 157868143 is about 12564.5590053929. The cubic root of 157868143 is about 540.4615886350.

The spelling of 157868143 in words is "one hundred fifty-seven million, eight hundred sixty-eight thousand, one hundred forty-three".