142033517 has 8 divisors (see below), whose sum is σ = 143451000. Its totient is φ = 140621824.

The previous prime is 142033513. The next prime is 142033523. The reversal of 142033517 is 715330241.

142033517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 55562116 + 86471401 = 7454^2 + 9299^2 .

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 142033517 - 2² = 142033513 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 (142033513) 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, 60359 + ... + 62667.

It is an arithmetic number, because the mean of its divisors is an integer number (17931375).

Almost surely, 2^142033517 is an apocalyptic number.

It is an amenable number.

142033517 is a deficient number, since it is larger than the sum of its proper divisors (1417483).

142033517 is a wasteful number, since it uses less digits than its factorization.

142033517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 142033517 is about 11917.7815469155. The cubic root of 142033517 is about 521.7513887356.

Adding to 142033517 its reverse (715330241), we get a palindrome (857363758).

The spelling of 142033517 in words is "one hundred forty-two million, thirty-three thousand, five hundred seventeen".