142113401 has 2 divisors, whose sum is σ = 142113402. Its totient is φ = 142113400.

The previous prime is 142113397. The next prime is 142113467. The reversal of 142113401 is 104311241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135117376 + 6996025 = 11624^2 + 2645^2 .

It is a cyclic number.

It is not a de Polignac number, because 142113401 - 2² = 142113397 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142113401.

It is not a weakly prime, because it can be changed into another prime (142113701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71056700 + 71056701.

It is an arithmetic number, because the mean of its divisors is an integer number (71056701).

Almost surely, 2^142113401 is an apocalyptic number.

It is an amenable number.

142113401 is a deficient number, since it is larger than the sum of its proper divisors (1).

142113401 is an equidigital number, since it uses as much as digits as its factorization.

142113401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 142113401 is about 11921.1325384797. The cubic root of 142113401 is about 521.8491867233.

Adding to 142113401 its reverse (104311241), we get a palindrome (246424642).

The spelling of 142113401 in words is "one hundred forty-two million, one hundred thirteen thousand, four hundred one".