142547563 has 2 divisors, whose sum is σ = 142547564. Its totient is φ = 142547562.

The previous prime is 142547551. The next prime is 142547593. The reversal of 142547563 is 365745241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142547563 - 2²¹ = 140450411 is a prime.

It is not a weakly prime, because it can be changed into another prime (142547593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71273781 + 71273782.

It is an arithmetic number, because the mean of its divisors is an integer number (71273782).

Almost surely, 2^142547563 is an apocalyptic number.

142547563 is a deficient number, since it is larger than the sum of its proper divisors (1).

142547563 is an equidigital number, since it uses as much as digits as its factorization.

142547563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 37.

The square root of 142547563 is about 11939.3284149486. The cubic root of 142547563 is about 522.3800696943.

The spelling of 142547563 in words is "one hundred forty-two million, five hundred forty-seven thousand, five hundred sixty-three".