141878641 has 2 divisors, whose sum is σ = 141878642. Its totient is φ = 141878640.

The previous prime is 141878603. The next prime is 141878663. The reversal of 141878641 is 146878141.

141878641 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., 76737600 + 65141041 = 8760^2 + 8071^2 .

It is an emirp because it is prime and its reverse (146878141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141878641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141878594 and 141878603.

It is not a weakly prime, because it can be changed into another prime (141879641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70939320 + 70939321.

It is an arithmetic number, because the mean of its divisors is an integer number (70939321).

Almost surely, 2^141878641 is an apocalyptic number.

It is an amenable number.

141878641 is a deficient number, since it is larger than the sum of its proper divisors (1).

141878641 is an equidigital number, since it uses as much as digits as its factorization.

141878641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 40.

The square root of 141878641 is about 11911.2820888433. The cubic root of 141878641 is about 521.5616772772.

The spelling of 141878641 in words is "one hundred forty-one million, eight hundred seventy-eight thousand, six hundred forty-one".