142604459 has 2 divisors, whose sum is σ = 142604460. Its totient is φ = 142604458.

The previous prime is 142604447. The next prime is 142604461. The reversal of 142604459 is 954406241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142604459 - 2¹² = 142600363 is a prime.

Together with 142604461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142604479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71302229 + 71302230.

It is an arithmetic number, because the mean of its divisors is an integer number (71302230).

Almost surely, 2^142604459 is an apocalyptic number.

142604459 is a deficient number, since it is larger than the sum of its proper divisors (1).

142604459 is an equidigital number, since it uses as much as digits as its factorization.

142604459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 142604459 is about 11941.7108908230. The cubic root of 142604459 is about 522.4495608461.

The spelling of 142604459 in words is "one hundred forty-two million, six hundred four thousand, four hundred fifty-nine".