157143143 has 2 divisors, whose sum is σ = 157143144. Its totient is φ = 157143142.

The previous prime is 157143139. The next prime is 157143187. The reversal of 157143143 is 341341751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157143143 - 2² = 157143139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157143193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78571571 + 78571572.

It is an arithmetic number, because the mean of its divisors is an integer number (78571572).

Almost surely, 2^157143143 is an apocalyptic number.

157143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

157143143 is an equidigital number, since it uses as much as digits as its factorization.

157143143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 157143143 is about 12535.6748123107. The cubic root of 157143143 is about 539.6329730467.

Adding to 157143143 its reverse (341341751), we get a palindrome (498484894).

The spelling of 157143143 in words is "one hundred fifty-seven million, one hundred forty-three thousand, one hundred forty-three".