142332533 has 16 divisors (see below), whose sum is σ = 171438336. Its totient is φ = 115526400.

The previous prime is 142332529. The next prime is 142332539. The reversal of 142332533 is 335233241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142332533 - 2² = 142332529 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 (142332539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11885 + ... + 20637.

It is an arithmetic number, because the mean of its divisors is an integer number (10714896).

Almost surely, 2^142332533 is an apocalyptic number.

It is an amenable number.

142332533 is a deficient number, since it is larger than the sum of its proper divisors (29105803).

142332533 is a wasteful number, since it uses less digits than its factorization.

142332533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8884.

The product of its digits is 6480, while the sum is 26.

The square root of 142332533 is about 11930.3199035064. The cubic root of 142332533 is about 522.1172710593.

Adding to 142332533 its reverse (335233241), we get a palindrome (477565774).

The spelling of 142332533 in words is "one hundred forty-two million, three hundred thirty-two thousand, five hundred thirty-three".