142201141 has 4 divisors (see below), whose sum is σ = 150565932. Its totient is φ = 133836352.

The previous prime is 142201133. The next prime is 142201183. The reversal of 142201141 is 141102241.

It is a happy number.

142201141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58844241 + 83356900 = 7671^2 + 9130^2 .

It is a cyclic number.

It is not a de Polignac number, because 142201141 - 2³ = 142201133 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 (142201541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4182370 + ... + 4182403.

It is an arithmetic number, because the mean of its divisors is an integer number (37641483).

Almost surely, 2^142201141 is an apocalyptic number.

It is an amenable number.

142201141 is a deficient number, since it is larger than the sum of its proper divisors (8364791).

142201141 is an equidigital number, since it uses as much as digits as its factorization.

142201141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8364790.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 142201141 is about 11924.8119901322. The cubic root of 142201141 is about 521.9565601956.

Adding to 142201141 its reverse (141102241), we get a palindrome (283303382).

The spelling of 142201141 in words is "one hundred forty-two million, two hundred one thousand, one hundred forty-one".