142563849 has 16 divisors (see below), whose sum is σ = 197429760. Its totient is φ = 91428480.

The previous prime is 142563829. The next prime is 142563857. The reversal of 142563849 is 948365241.

142563849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142563849 - 2¹⁷ = 142432777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142563849.

It is not an unprimeable number, because it can be changed into a prime (142563809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2664 + ... + 17094.

It is an arithmetic number, because the mean of its divisors is an integer number (12339360).

Almost surely, 2^142563849 is an apocalyptic number.

It is an amenable number.

142563849 is a deficient number, since it is larger than the sum of its proper divisors (54865911).

142563849 is a wasteful number, since it uses less digits than its factorization.

142563849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14560.

The product of its digits is 207360, while the sum is 42.

The square root of 142563849 is about 11940.0104271311. The cubic root of 142563849 is about 522.3999628389.

The spelling of 142563849 in words is "one hundred forty-two million, five hundred sixty-three thousand, eight hundred forty-nine".