142861719 has 64 divisors (see below), whose sum is σ = 258628608. Its totient is φ = 67737600.

The previous prime is 142861711. The next prime is 142861729. The reversal of 142861719 is 917168241.

142861719 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 142861719 - 2³ = 142861711 is a prime.

It is a super-2 number, since 2×142861719² = 40818941511269922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142861711) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 339129 + ... + 339549.

It is an arithmetic number, because the mean of its divisors is an integer number (4041072).

Almost surely, 2^142861719 is an apocalyptic number.

142861719 is a deficient number, since it is larger than the sum of its proper divisors (115766889).

142861719 is a wasteful number, since it uses less digits than its factorization.

142861719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its digits is 24192, while the sum is 39.

The square root of 142861719 is about 11952.4775256011. The cubic root of 142861719 is about 522.7635403503.

The spelling of 142861719 in words is "one hundred forty-two million, eight hundred sixty-one thousand, seven hundred nineteen".