142906801 has 2 divisors, whose sum is σ = 142906802. Its totient is φ = 142906800.

The previous prime is 142906789. The next prime is 142906831. The reversal of 142906801 is 108609241.

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., 94965025 + 47941776 = 9745^2 + 6924^2 .

It is a cyclic number.

It is not a de Polignac number, because 142906801 - 2⁵ = 142906769 is a prime.

It is not a weakly prime, because it can be changed into another prime (142906831) 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, 71453400 + 71453401.

It is an arithmetic number, because the mean of its divisors is an integer number (71453401).

Almost surely, 2^142906801 is an apocalyptic number.

It is an amenable number.

142906801 is a deficient number, since it is larger than the sum of its proper divisors (1).

142906801 is an equidigital number, since it uses as much as digits as its factorization.

142906801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 142906801 is about 11954.3632620061. The cubic root of 142906801 is about 522.8185229996.

The spelling of 142906801 in words is "one hundred forty-two million, nine hundred six thousand, eight hundred one".