142324691 has 2 divisors, whose sum is σ = 142324692. Its totient is φ = 142324690.

The previous prime is 142324673. The next prime is 142324703. The reversal of 142324691 is 196423241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142324691 - 2¹⁰ = 142323667 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142324661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71162345 + 71162346.

It is an arithmetic number, because the mean of its divisors is an integer number (71162346).

Almost surely, 2^142324691 is an apocalyptic number.

142324691 is a deficient number, since it is larger than the sum of its proper divisors (1).

142324691 is an equidigital number, since it uses as much as digits as its factorization.

142324691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 142324691 is about 11929.9912405668. The cubic root of 142324691 is about 522.1076819683.

The spelling of 142324691 in words is "one hundred forty-two million, three hundred twenty-four thousand, six hundred ninety-one".