142753447 has 2 divisors, whose sum is σ = 142753448. Its totient is φ = 142753446.

The previous prime is 142753427. The next prime is 142753453. The reversal of 142753447 is 744357241.

It is a strong prime.

It is an emirp because it is prime and its reverse (744357241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142753447 - 2⁷ = 142753319 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142753427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71376723 + 71376724.

It is an arithmetic number, because the mean of its divisors is an integer number (71376724).

Almost surely, 2^142753447 is an apocalyptic number.

142753447 is a deficient number, since it is larger than the sum of its proper divisors (1).

142753447 is an equidigital number, since it uses as much as digits as its factorization.

142753447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 37.

The square root of 142753447 is about 11947.9473969381. The cubic root of 142753447 is about 522.6314430111.

The spelling of 142753447 in words is "one hundred forty-two million, seven hundred fifty-three thousand, four hundred forty-seven".