142733471 has 2 divisors, whose sum is σ = 142733472. Its totient is φ = 142733470.

The previous prime is 142733417. The next prime is 142733497. The reversal of 142733471 is 174337241.

Together with previous prime (142733417) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142733471 - 2¹⁸ = 142471327 is a prime.

It is a super-3 number, since 3×142733471³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142763471) 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, 71366735 + 71366736.

It is an arithmetic number, because the mean of its divisors is an integer number (71366736).

Almost surely, 2^142733471 is an apocalyptic number.

142733471 is a deficient number, since it is larger than the sum of its proper divisors (1).

142733471 is an equidigital number, since it uses as much as digits as its factorization.

142733471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 142733471 is about 11947.1114082024. Note that the first 3 decimals coincide. The cubic root of 142733471 is about 522.6070639787.

The spelling of 142733471 in words is "one hundred forty-two million, seven hundred thirty-three thousand, four hundred seventy-one".