142242201 has 6 divisors (see below), whose sum is σ = 205460970. Its totient is φ = 94828128.

The previous prime is 142242173. The next prime is 142242211. The reversal of 142242201 is 102242241.

142242201 is a `hidden beast` number, since 1 + 422 + 42 + 201 = 666.

142242201 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 only one way, i.e., 141633801 + 608400 = 11901^2 + 780^2 .

It is not a de Polignac number, because 142242201 - 2⁵ = 142242169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142242211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7902336 + ... + 7902353.

It is an arithmetic number, because the mean of its divisors is an integer number (34243495).

Almost surely, 2^142242201 is an apocalyptic number.

It is an amenable number.

142242201 is a deficient number, since it is larger than the sum of its proper divisors (63218769).

142242201 is a wasteful number, since it uses less digits than its factorization.

142242201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15804695 (or 15804692 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 142242201 is about 11926.5334863069. The cubic root of 142242201 is about 522.0067929710.

Adding to 142242201 its reverse (102242241), we get a palindrome (244484442).

The spelling of 142242201 in words is "one hundred forty-two million, two hundred forty-two thousand, two hundred one".