141432321 has 4 divisors (see below), whose sum is σ = 188576432. Its totient is φ = 94288212.

The previous prime is 141432311. The next prime is 141432337. The reversal of 141432321 is 123234141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 141432321 - 2¹⁷ = 141301249 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (141432311) 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, 23572051 + ... + 23572056.

It is an arithmetic number, because the mean of its divisors is an integer number (47144108).

Almost surely, 2^141432321 is an apocalyptic number.

It is an amenable number.

141432321 is a deficient number, since it is larger than the sum of its proper divisors (47144111).

141432321 is an equidigital number, since it uses as much as digits as its factorization.

141432321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47144110.

The product of its digits is 576, while the sum is 21.

The square root of 141432321 is about 11892.5321525737. The cubic root of 141432321 is about 521.0141954544.

Adding to 141432321 its reverse (123234141), we get a palindrome (264666462).

The spelling of 141432321 in words is "one hundred forty-one million, four hundred thirty-two thousand, three hundred twenty-one".