142401601 has 2 divisors, whose sum is σ = 142401602. Its totient is φ = 142401600.

The previous prime is 142401577. The next prime is 142401661. The reversal of 142401601 is 106104241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96825600 + 45576001 = 9840^2 + 6751^2 .

It is a cyclic number.

It is not a de Polignac number, because 142401601 - 2⁷ = 142401473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142401661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71200800 + 71200801.

It is an arithmetic number, because the mean of its divisors is an integer number (71200801).

Almost surely, 2^142401601 is an apocalyptic number.

It is an amenable number.

142401601 is a deficient number, since it is larger than the sum of its proper divisors (1).

142401601 is an equidigital number, since it uses as much as digits as its factorization.

142401601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 142401601 is about 11933.2141940049. The cubic root of 142401601 is about 522.2017112629.

Adding to 142401601 its reverse (106104241), we get a palindrome (248505842).

The spelling of 142401601 in words is "one hundred forty-two million, four hundred one thousand, six hundred one".