142534499 has 2 divisors, whose sum is σ = 142534500. Its totient is φ = 142534498.

The previous prime is 142534493. The next prime is 142534517. The reversal of 142534499 is 994435241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142534499 - 2²⁴ = 125757283 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142534493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71267249 + 71267250.

It is an arithmetic number, because the mean of its divisors is an integer number (71267250).

Almost surely, 2^142534499 is an apocalyptic number.

142534499 is a deficient number, since it is larger than the sum of its proper divisors (1).

142534499 is an equidigital number, since it uses as much as digits as its factorization.

142534499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 142534499 is about 11938.7813029639. The cubic root of 142534499 is about 522.3641110870.

The spelling of 142534499 in words is "one hundred forty-two million, five hundred thirty-four thousand, four hundred ninety-nine".