141521225 has 24 divisors (see below), whose sum is σ = 178967712. Its totient is φ = 110995200.

The previous prime is 141521203. The next prime is 141521227. The reversal of 141521225 is 522125141.

141521225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 141521225 - 2¹⁶ = 141455689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 141521225.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499934 + ... + 500216.

It is an arithmetic number, because the mean of its divisors is an integer number (7456988).

Almost surely, 2^141521225 is an apocalyptic number.

It is an amenable number.

141521225 is a deficient number, since it is larger than the sum of its proper divisors (37446487).

141521225 is a wasteful number, since it uses less digits than its factorization.

141521225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 612 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 141521225 is about 11896.2693732111. The cubic root of 141521225 is about 521.1233419906.

Adding to 141521225 its reverse (522125141), we get a palindrome (663646366).

The spelling of 141521225 in words is "one hundred forty-one million, five hundred twenty-one thousand, two hundred twenty-five".