142601224 has 16 divisors (see below), whose sum is σ = 267637500. Its totient is φ = 71231232.

The previous prime is 142601197. The next prime is 142601227. The reversal of 142601224 is 422106241.

It is a happy number.

142601224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142038724 + 562500 = 11918^2 + 750^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142601195 and 142601204.

It is not an unprimeable number, because it can be changed into a prime (142601227) 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, 652 + ... + 16900.

Almost surely, 2^142601224 is an apocalyptic number.

It is an amenable number.

142601224 is a deficient number, since it is larger than the sum of its proper divisors (125036276).

142601224 is a wasteful number, since it uses less digits than its factorization.

142601224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17352 (or 17348 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 142601224 is about 11941.5754404517. The cubic root of 142601224 is about 522.4456102050.

Adding to 142601224 its reverse (422106241), we get a palindrome (564707465).

The spelling of 142601224 in words is "one hundred forty-two million, six hundred one thousand, two hundred twenty-four".