142568019 has 20 divisors (see below), whose sum is σ = 232334520. Its totient is φ = 86404320.

The previous prime is 142568017. The next prime is 142568033. The reversal of 142568019 is 910865241.

It is not a de Polignac number, because 142568019 - 2¹ = 142568017 is a prime.

It is a super-2 number, since 2×142568019² = 40651280083168722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142568017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79114 + ... + 80895.

It is an arithmetic number, because the mean of its divisors is an integer number (11616726).

Almost surely, 2^142568019 is an apocalyptic number.

142568019 is a deficient number, since it is larger than the sum of its proper divisors (89766501).

142568019 is a wasteful number, since it uses less digits than its factorization.

142568019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160032 (or 160023 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 142568019 is about 11940.1850488173. The cubic root of 142568019 is about 522.4050561979.

It can be divided in two parts, 14256 and 8019, that multiplied together give a square (114318864 = 10692²).

The spelling of 142568019 in words is "one hundred forty-two million, five hundred sixty-eight thousand, nineteen".