141521224 has 16 divisors (see below), whose sum is σ = 285764220. Its totient is φ = 65317440.

The previous prime is 141521203. The next prime is 141521227. The reversal of 141521224 is 422125141.

141521224 is digitally balanced in base 3, 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 137592900 + 3928324 = 11730^2 + 1982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 141521195 and 141521204.

It is not an unprimeable number, because it can be changed into a prime (141521227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680287 + ... + 680494.

Almost surely, 2^141521224 is an apocalyptic number.

It is an amenable number.

141521224 is an abundant number, since it is smaller than the sum of its proper divisors (144242996).

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

141521224 is a wasteful number, since it uses less digits than its factorization.

141521224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360800 (or 1360796 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 141521224 is about 11896.2693311811. The cubic root of 141521224 is about 521.1233407632.

Adding to 141521224 its reverse (422125141), we get a palindrome (563646365).

It can be divided in two parts, 14152 and 1224, that added together give a square (15376 = 124²).

The spelling of 141521224 in words is "one hundred forty-one million, five hundred twenty-one thousand, two hundred twenty-four".