141745321 has 2 divisors, whose sum is σ = 141745322. Its totient is φ = 141745320.

The previous prime is 141745313. The next prime is 141745327. The reversal of 141745321 is 123547141.

141745321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100721296 + 41024025 = 10036^2 + 6405^2 .

It is an emirp because it is prime and its reverse (123547141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141745321 - 2³ = 141745313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141745321.

It is not a weakly prime, because it can be changed into another prime (141745327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70872660 + 70872661.

It is an arithmetic number, because the mean of its divisors is an integer number (70872661).

Almost surely, 2^141745321 is an apocalyptic number.

It is an amenable number.

141745321 is a deficient number, since it is larger than the sum of its proper divisors (1).

141745321 is an equidigital number, since it uses as much as digits as its factorization.

141745321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 141745321 is about 11905.6843986392. The cubic root of 141745321 is about 521.3982596932.

The spelling of 141745321 in words is "one hundred forty-one million, seven hundred forty-five thousand, three hundred twenty-one".