142446467 has 2 divisors, whose sum is σ = 142446468. Its totient is φ = 142446466.

The previous prime is 142446449. The next prime is 142446481. The reversal of 142446467 is 764644241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142446467 - 2¹⁴ = 142430083 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142446467.

It is not a weakly prime, because it can be changed into another prime (142446427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71223233 + 71223234.

It is an arithmetic number, because the mean of its divisors is an integer number (71223234).

Almost surely, 2^142446467 is an apocalyptic number.

142446467 is a deficient number, since it is larger than the sum of its proper divisors (1).

142446467 is an equidigital number, since it uses as much as digits as its factorization.

142446467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 38.

The square root of 142446467 is about 11935.0939250598. The cubic root of 142446467 is about 522.2565482911.

The spelling of 142446467 in words is "one hundred forty-two million, four hundred forty-six thousand, four hundred sixty-seven".