142240016 has 20 divisors (see below), whose sum is σ = 276811152. Its totient is φ = 70804896.

The previous prime is 142240009. The next prime is 142240039. The reversal of 142240016 is 610042241.

It is a self number, because there is not a number n which added to its sum of digits gives 142240016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15950 + ... + 23213.

Almost surely, 2^142240016 is an apocalyptic number.

142240016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142240016 is a deficient number, since it is larger than the sum of its proper divisors (134571136).

142240016 is a wasteful number, since it uses less digits than its factorization.

142240016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39398 (or 39392 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 142240016 is about 11926.4418834789. The cubic root of 142240016 is about 522.0041200871.

Adding to 142240016 its reverse (610042241), we get a palindrome (752282257).

The spelling of 142240016 in words is "one hundred forty-two million, two hundred forty thousand, sixteen".