142132647 has 4 divisors (see below), whose sum is σ = 189510200. Its totient is φ = 94755096.

The previous prime is 142132637. The next prime is 142132649. The reversal of 142132647 is 746231241.

142132647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142132647 - 2⁷ = 142132519 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 (142132649) 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, 23688772 + ... + 23688777.

It is an arithmetic number, because the mean of its divisors is an integer number (47377550).

Almost surely, 2^142132647 is an apocalyptic number.

142132647 is a deficient number, since it is larger than the sum of its proper divisors (47377553).

142132647 is an equidigital number, since it uses as much as digits as its factorization.

142132647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47377552.

The product of its digits is 8064, while the sum is 30.

The square root of 142132647 is about 11921.9397331139. The cubic root of 142132647 is about 521.8727431602.

Adding to 142132647 its reverse (746231241), we get a palindrome (888363888).

The spelling of 142132647 in words is "one hundred forty-two million, one hundred thirty-two thousand, six hundred forty-seven".