142332547 has 8 divisors (see below), whose sum is σ = 162762752. Its totient is φ = 121926600.

The previous prime is 142332539. The next prime is 142332557. The reversal of 142332547 is 745233241.

It is a happy number.

142332547 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 not a de Polignac number, because 142332547 - 2³ = 142332539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142332557) 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, 9022 + ... + 19132.

It is an arithmetic number, because the mean of its divisors is an integer number (20345344).

Almost surely, 2^142332547 is an apocalyptic number.

142332547 is a deficient number, since it is larger than the sum of its proper divisors (20430205).

142332547 is a wasteful number, since it uses less digits than its factorization.

142332547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12129.

The product of its digits is 20160, while the sum is 31.

The square root of 142332547 is about 11930.3204902467. The cubic root of 142332547 is about 522.1172881780.

Adding to 142332547 its reverse (745233241), we get a palindrome (887565788).

The spelling of 142332547 in words is "one hundred forty-two million, three hundred thirty-two thousand, five hundred forty-seven".