141354504144421 has 4 divisors (see below), whose sum is σ = 141377240921452. Its totient is φ = 141331767367392.

The previous prime is 141354504144401. The next prime is 141354504144457. The reversal of 141354504144421 is 124441405453141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54215079621921 + 87139424522500 = 7363089^2 + 9334850^2 .

It is a cyclic number.

It is not a de Polignac number, because 141354504144421 - 2³¹ = 141352356660773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141354504144401) 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, 11368379190 + ... + 11368391623.

It is an arithmetic number, because the mean of its divisors is an integer number (35344310230363).

Almost surely, 2^{141354504144421} is an apocalyptic number.

It is an amenable number.

141354504144421 is a deficient number, since it is larger than the sum of its proper divisors (22736777031).

141354504144421 is an equidigital number, since it uses as much as digits as its factorization.

141354504144421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22736777030.

The product of its (nonzero) digits is 614400, while the sum is 43.

Adding to 141354504144421 its reverse (124441405453141), we get a palindrome (265795909597562).

The spelling of 141354504144421 in words is "one hundred forty-one trillion, three hundred fifty-four billion, five hundred four million, one hundred forty-four thousand, four hundred twenty-one".