142357271 has 8 divisors (see below), whose sum is σ = 162886560. Its totient is φ = 121876128.

The previous prime is 142357217. The next prime is 142357283. The reversal of 142357271 is 172753241.

142357271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142357271 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 (142357471) 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, 5456 + ... + 17733.

It is an arithmetic number, because the mean of its divisors is an integer number (20360820).

Almost surely, 2^142357271 is an apocalyptic number.

142357271 is a deficient number, since it is larger than the sum of its proper divisors (20529289).

142357271 is an equidigital number, since it uses as much as digits as its factorization.

142357271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24073.

The product of its digits is 11760, while the sum is 32.

The square root of 142357271 is about 11931.3566286487. The cubic root of 142357271 is about 522.1475180416.

The spelling of 142357271 in words is "one hundred forty-two million, three hundred fifty-seven thousand, two hundred seventy-one".