142673471 has 2 divisors, whose sum is σ = 142673472. Its totient is φ = 142673470.

The previous prime is 142673467. The next prime is 142673473. The reversal of 142673471 is 174376241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142673471 - 2² = 142673467 is a prime.

It is a super-3 number, since 3×142673471³ (a number of 25 digits) contains 333 as substring.

Together with 142673473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142673473) 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, 71336735 + 71336736.

It is an arithmetic number, because the mean of its divisors is an integer number (71336736).

Almost surely, 2^142673471 is an apocalyptic number.

142673471 is a deficient number, since it is larger than the sum of its proper divisors (1).

142673471 is an equidigital number, since it uses as much as digits as its factorization.

142673471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 35.

The square root of 142673471 is about 11944.6000770223. The cubic root of 142673471 is about 522.5338253324.

The spelling of 142673471 in words is "one hundred forty-two million, six hundred seventy-three thousand, four hundred seventy-one".