142392563 has 16 divisors (see below), whose sum is σ = 152893440. Its totient is φ = 132296736.

The previous prime is 142392557. The next prime is 142392571. The reversal of 142392563 is 365293241.

It is not a de Polignac number, because 142392563 - 2¹⁶ = 142327027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142392553) 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 in 15 ways as a sum of consecutive naturals, for example, 169298 + ... + 170136.

It is an arithmetic number, because the mean of its divisors is an integer number (9555840).

Almost surely, 2^142392563 is an apocalyptic number.

142392563 is a deficient number, since it is larger than the sum of its proper divisors (10500877).

142392563 is a wasteful number, since it uses less digits than its factorization.

142392563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its digits is 38880, while the sum is 35.

The square root of 142392563 is about 11932.8354970644. The cubic root of 142392563 is about 522.1906632623.

The spelling of 142392563 in words is "one hundred forty-two million, three hundred ninety-two thousand, five hundred sixty-three".