142974159 has 16 divisors (see below), whose sum is σ = 192976992. Its totient is φ = 94151168.

The previous prime is 142974071. The next prime is 142974163. The reversal of 142974159 is 951479241.

142974159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142974159 - 2⁸ = 142973903 is a prime.

It is a super-2 number, since 2×142974159² = 40883220283514562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142974159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142974059) 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, 95017 + ... + 96509.

It is an arithmetic number, because the mean of its divisors is an integer number (12061062).

Almost surely, 2^142974159 is an apocalyptic number.

142974159 is a deficient number, since it is larger than the sum of its proper divisors (50002833).

142974159 is a wasteful number, since it uses less digits than its factorization.

142974159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866.

The product of its digits is 90720, while the sum is 42.

The square root of 142974159 is about 11957.1802277962. The cubic root of 142974159 is about 522.9006522343.

The spelling of 142974159 in words is "one hundred forty-two million, nine hundred seventy-four thousand, one hundred fifty-nine".