141954521 has 2 divisors, whose sum is σ = 141954522. Its totient is φ = 141954520.

The previous prime is 141954473. The next prime is 141954541. The reversal of 141954521 is 125459141.

141954521 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., 80802121 + 61152400 = 8989^2 + 7820^2 .

It is an emirp because it is prime and its reverse (125459141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141954521 - 2¹⁸ = 141692377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141954541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70977260 + 70977261.

It is an arithmetic number, because the mean of its divisors is an integer number (70977261).

Almost surely, 2^141954521 is an apocalyptic number.

It is an amenable number.

141954521 is a deficient number, since it is larger than the sum of its proper divisors (1).

141954521 is an equidigital number, since it uses as much as digits as its factorization.

141954521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 32.

The square root of 141954521 is about 11914.4668785473. The cubic root of 141954521 is about 521.6546418148.

The spelling of 141954521 in words is "one hundred forty-one million, nine hundred fifty-four thousand, five hundred twenty-one".