142553271 has 8 divisors (see below), whose sum is σ = 217224064. Its totient is φ = 81459000.

The previous prime is 142553261. The next prime is 142553293. The reversal of 142553271 is 172355241.

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

It is not a de Polignac number, because 142553271 - 2⁵ = 142553239 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 (142553261) 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, 3394105 + ... + 3394146.

It is an arithmetic number, because the mean of its divisors is an integer number (27153008).

Almost surely, 2^142553271 is an apocalyptic number.

142553271 is a deficient number, since it is larger than the sum of its proper divisors (74670793).

142553271 is an equidigital number, since it uses as much as digits as its factorization.

142553271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6788261.

The product of its digits is 8400, while the sum is 30.

The square root of 142553271 is about 11939.5674544767. The cubic root of 142553271 is about 522.3870421171.

The spelling of 142553271 in words is "one hundred forty-two million, five hundred fifty-three thousand, two hundred seventy-one".