142787468 has 12 divisors (see below), whose sum is σ = 249976440. Its totient is φ = 71365632.

The previous prime is 142787467. The next prime is 142787483. The reversal of 142787468 is 864787241.

It is a super-2 number, since 2×142787468² = 40776522035702048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142787467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7955 + ... + 18677.

It is an arithmetic number, because the mean of its divisors is an integer number (20831370).

Almost surely, 2^142787468 is an apocalyptic number.

It is an amenable number.

142787468 is a deficient number, since it is larger than the sum of its proper divisors (107188972).

142787468 is a wasteful number, since it uses less digits than its factorization.

142787468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14056 (or 14054 counting only the distinct ones).

The product of its digits is 602112, while the sum is 47.

The square root of 142787468 is about 11949.3710294726. The cubic root of 142787468 is about 522.6729575533.

The spelling of 142787468 in words is "one hundred forty-two million, seven hundred eighty-seven thousand, four hundred sixty-eight".