141432221 has 16 divisors (see below), whose sum is σ = 171441408. Its totient is φ = 114048000.

The previous prime is 141432157. The next prime is 141432229. The reversal of 141432221 is 122234141.

141432221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 141432221 - 2⁶ = 141432157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141432193 and 141432202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141432229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2621 + ... + 17021.

It is an arithmetic number, because the mean of its divisors is an integer number (10715088).

Almost surely, 2^141432221 is an apocalyptic number.

It is an amenable number.

141432221 is a deficient number, since it is larger than the sum of its proper divisors (30009187).

141432221 is a wasteful number, since it uses less digits than its factorization.

141432221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14492.

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

The square root of 141432221 is about 11892.5279482539. The cubic root of 141432221 is about 521.0140726597.

Adding to 141432221 its reverse (122234141), we get a palindrome (263666362).

The spelling of 141432221 in words is "one hundred forty-one million, four hundred thirty-two thousand, two hundred twenty-one".