142045201 has 2 divisors, whose sum is σ = 142045202. Its totient is φ = 142045200.

The previous prime is 142045199. The next prime is 142045213. The reversal of 142045201 is 102540241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74805201 + 67240000 = 8649^2 + 8200^2 .

It is an emirp because it is prime and its reverse (102540241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142045201 - 2¹ = 142045199 is a prime.

Together with 142045199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142045301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71022600 + 71022601.

It is an arithmetic number, because the mean of its divisors is an integer number (71022601).

Almost surely, 2^142045201 is an apocalyptic number.

It is an amenable number.

142045201 is a deficient number, since it is larger than the sum of its proper divisors (1).

142045201 is an equidigital number, since it uses as much as digits as its factorization.

142045201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 142045201 is about 11918.2717287365. The cubic root of 142045201 is about 521.7656951618.

Adding to 142045201 its reverse (102540241), we get a palindrome (244585442).

The spelling of 142045201 in words is "one hundred forty-two million, forty-five thousand, two hundred one".