142301563 has 4 divisors (see below), whose sum is σ = 146891968. Its totient is φ = 137711160.

The previous prime is 142301539. The next prime is 142301567. The reversal of 142301563 is 365103241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142301563 - 2⁵ = 142301531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142301567) 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 3 ways as a sum of consecutive naturals, for example, 2295156 + ... + 2295217.

It is an arithmetic number, because the mean of its divisors is an integer number (36722992).

Almost surely, 2^142301563 is an apocalyptic number.

142301563 is a deficient number, since it is larger than the sum of its proper divisors (4590405).

142301563 is an equidigital number, since it uses as much as digits as its factorization.

142301563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590404.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 142301563 is about 11929.0218794334. The cubic root of 142301563 is about 522.0793993128.

The spelling of 142301563 in words is "one hundred forty-two million, three hundred one thousand, five hundred sixty-three".