142416997 has 2 divisors, whose sum is σ = 142416998. Its totient is φ = 142416996.

The previous prime is 142416979. The next prime is 142417019. The reversal of 142416997 is 799614241.

142416997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (142416979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76580001 + 65836996 = 8751^2 + 8114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142416997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142416947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71208498 + 71208499.

It is an arithmetic number, because the mean of its divisors is an integer number (71208499).

Almost surely, 2^142416997 is an apocalyptic number.

It is an amenable number.

142416997 is a deficient number, since it is larger than the sum of its proper divisors (1).

142416997 is an equidigital number, since it uses as much as digits as its factorization.

142416997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 142416997 is about 11933.8592668089. The cubic root of 142416997 is about 522.2205301707.

The spelling of 142416997 in words is "one hundred forty-two million, four hundred sixteen thousand, nine hundred ninety-seven".