157143271 has 4 divisors (see below), whose sum is σ = 157170592. Its totient is φ = 157115952.

The previous prime is 157143269. The next prime is 157143353. The reversal of 157143271 is 172341751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157143271 - 2¹ = 157143269 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 (157143211) 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, 1311 + ... + 17776.

It is an arithmetic number, because the mean of its divisors is an integer number (39292648).

Almost surely, 2^157143271 is an apocalyptic number.

157143271 is a deficient number, since it is larger than the sum of its proper divisors (27321).

157143271 is an equidigital number, since it uses as much as digits as its factorization.

157143271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27320.

The product of its digits is 5880, while the sum is 31.

The square root of 157143271 is about 12535.6799177388. The cubic root of 157143271 is about 539.6331195649.

The spelling of 157143271 in words is "one hundred fifty-seven million, one hundred forty-three thousand, two hundred seventy-one".