142239201 has 16 divisors (see below), whose sum is σ = 204736896. Its totient is φ = 87319296.

The previous prime is 142239197. The next prime is 142239203. The reversal of 142239201 is 102932241.

142239201 is nontrivially palindromic in base 2.

142239201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142239201 - 2² = 142239197 is a prime.

It is a super-3 number, since 3×142239201³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (142239203) 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, 12676 + ... + 21098.

It is an arithmetic number, because the mean of its divisors is an integer number (12796056).

Almost surely, 2^142239201 is an apocalyptic number.

It is an amenable number.

142239201 is a deficient number, since it is larger than the sum of its proper divisors (62497695).

142239201 is a wasteful number, since it uses less digits than its factorization.

142239201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 142239201 is about 11926.4077156535. The cubic root of 142239201 is about 522.0031231005.

The spelling of 142239201 in words is "one hundred forty-two million, two hundred thirty-nine thousand, two hundred one".