141888521 has 2 divisors, whose sum is σ = 141888522. Its totient is φ = 141888520.

The previous prime is 141888499. The next prime is 141888529. The reversal of 141888521 is 125888141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131423296 + 10465225 = 11464^2 + 3235^2 .

It is a cyclic number.

It is not a de Polignac number, because 141888521 - 2²² = 137694217 is a prime.

It is not a weakly prime, because it can be changed into another prime (141888529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70944260 + 70944261.

It is an arithmetic number, because the mean of its divisors is an integer number (70944261).

Almost surely, 2^141888521 is an apocalyptic number.

It is an amenable number.

141888521 is a deficient number, since it is larger than the sum of its proper divisors (1).

141888521 is an equidigital number, since it uses as much as digits as its factorization.

141888521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20480, while the sum is 38.

The square root of 141888521 is about 11911.6968144761. The cubic root of 141888521 is about 521.5737836561.

The spelling of 141888521 in words is "one hundred forty-one million, eight hundred eighty-eight thousand, five hundred twenty-one".