142271455 has 8 divisors (see below), whose sum is σ = 170973504. Its totient is φ = 113652000.

The previous prime is 142271447. The next prime is 142271461. The reversal of 142271455 is 554172241.

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

It is not a de Polignac number, because 142271455 - 2³ = 142271447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16791 + ... + 23800.

It is an arithmetic number, because the mean of its divisors is an integer number (21371688).

Almost surely, 2^142271455 is an apocalyptic number.

142271455 is a deficient number, since it is larger than the sum of its proper divisors (28702049).

142271455 is an equidigital number, since it uses as much as digits as its factorization.

142271455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41297.

The product of its digits is 11200, while the sum is 31.

The square root of 142271455 is about 11927.7598483538. The cubic root of 142271455 is about 522.0425763973.

The spelling of 142271455 in words is "one hundred forty-two million, two hundred seventy-one thousand, four hundred fifty-five".