142285523 has 2 divisors, whose sum is σ = 142285524. Its totient is φ = 142285522.

The previous prime is 142285511. The next prime is 142285537. The reversal of 142285523 is 325582241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142285523 - 2⁶ = 142285459 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142285523.

It is not a weakly prime, because it can be changed into another prime (142285553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71142761 + 71142762.

It is an arithmetic number, because the mean of its divisors is an integer number (71142762).

Almost surely, 2^142285523 is an apocalyptic number.

142285523 is a deficient number, since it is larger than the sum of its proper divisors (1).

142285523 is an equidigital number, since it uses as much as digits as its factorization.

142285523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 32.

The square root of 142285523 is about 11928.3495505455. The cubic root of 142285523 is about 522.0597825964.

The spelling of 142285523 in words is "one hundred forty-two million, two hundred eighty-five thousand, five hundred twenty-three".