142324471 has 2 divisors, whose sum is σ = 142324472. Its totient is φ = 142324470.

The previous prime is 142324433. The next prime is 142324487. The reversal of 142324471 is 174423241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142324471 - 2⁹ = 142323959 is a prime.

It is a super-3 number, since 3×142324471³ (a number of 25 digits) contains 333 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142364471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71162235 + 71162236.

It is an arithmetic number, because the mean of its divisors is an integer number (71162236).

Almost surely, 2^142324471 is an apocalyptic number.

142324471 is a deficient number, since it is larger than the sum of its proper divisors (1).

142324471 is an equidigital number, since it uses as much as digits as its factorization.

142324471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 28.

The square root of 142324471 is about 11929.9820201038. The cubic root of 142324471 is about 522.1074129502.

The spelling of 142324471 in words is "one hundred forty-two million, three hundred twenty-four thousand, four hundred seventy-one".