142487818 has 16 divisors (see below), whose sum is σ = 233824320. Its totient is φ = 64583200.

The previous prime is 142487791. The next prime is 142487827. The reversal of 142487818 is 818784241.

It is a super-2 number, since 2×142487818² = 40605556556802248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (14614020).

Almost surely, 2^142487818 is an apocalyptic number.

142487818 is a deficient number, since it is larger than the sum of its proper divisors (91336502).

142487818 is a wasteful number, since it uses less digits than its factorization.

142487818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18413.

The product of its digits is 114688, while the sum is 43.

The square root of 142487818 is about 11936.8261275768. The cubic root of 142487818 is about 522.3070789492.

The spelling of 142487818 in words is "one hundred forty-two million, four hundred eighty-seven thousand, eight hundred eighteen".