142516244 has 24 divisors (see below), whose sum is σ = 269392200. Its totient is φ = 65579904.

The previous prime is 142516243. The next prime is 142516247. The reversal of 142516244 is 442615241.

It can be written as a sum of positive squares in 4 ways, for example, as 400 + 142515844 = 20^2 + 11938^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142516243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14222 + ... + 22074.

It is an arithmetic number, because the mean of its divisors is an integer number (11224675).

Almost surely, 2^142516244 is an apocalyptic number.

It is an amenable number.

142516244 is a deficient number, since it is larger than the sum of its proper divisors (126875956).

142516244 is a wasteful number, since it uses less digits than its factorization.

142516244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219 (or 8217 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 142516244 is about 11938.0167532132. The cubic root of 142516244 is about 522.3418096699.

The spelling of 142516244 in words is "one hundred forty-two million, five hundred sixteen thousand, two hundred forty-four".