142516866 has 16 divisors (see below), whose sum is σ = 286610688. Its totient is φ = 47242800.

The previous prime is 142516837. The next prime is 142516867. The reversal of 142516866 is 668615241.

It is a happy number.

It is a super-2 number, since 2×142516866² = 40622114188923912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142516867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64530 + ... + 66701.

It is an arithmetic number, because the mean of its divisors is an integer number (17913168).

Almost surely, 2^142516866 is an apocalyptic number.

142516866 is an abundant number, since it is smaller than the sum of its proper divisors (144093822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142516866 is a wasteful number, since it uses less digits than its factorization.

142516866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131417.

The product of its digits is 69120, while the sum is 39.

The square root of 142516866 is about 11938.0428044131. The cubic root of 142516866 is about 522.3425695742.

The spelling of 142516866 in words is "one hundred forty-two million, five hundred sixteen thousand, eight hundred sixty-six".