142711469 has 2 divisors, whose sum is σ = 142711470. Its totient is φ = 142711468.

The previous prime is 142711463. The next prime is 142711477. The reversal of 142711469 is 964117241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94575625 + 48135844 = 9725^2 + 6938^2 .

It is a cyclic number.

It is not a de Polignac number, because 142711469 - 2⁸ = 142711213 is a prime.

It is a super-2 number, since 2×142711469² = 40733126768275922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142711463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71355734 + 71355735.

It is an arithmetic number, because the mean of its divisors is an integer number (71355735).

Almost surely, 2^142711469 is an apocalyptic number.

It is an amenable number.

142711469 is a deficient number, since it is larger than the sum of its proper divisors (1).

142711469 is an equidigital number, since it uses as much as digits as its factorization.

142711469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 142711469 is about 11946.1905643598. The cubic root of 142711469 is about 522.5802097508.

The spelling of 142711469 in words is "one hundred forty-two million, seven hundred eleven thousand, four hundred sixty-nine".