141824561 has 2 divisors, whose sum is σ = 141824562. Its totient is φ = 141824560.

The previous prime is 141824533. The next prime is 141824603. The reversal of 141824561 is 165428141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115240225 + 26584336 = 10735^2 + 5156^2 .

It is a cyclic number.

It is not a de Polignac number, because 141824561 - 2⁶ = 141824497 is a prime.

It is a super-2 number, since 2×141824561² = 40228412205685442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141824161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70912280 + 70912281.

It is an arithmetic number, because the mean of its divisors is an integer number (70912281).

Almost surely, 2^141824561 is an apocalyptic number.

It is an amenable number.

141824561 is a deficient number, since it is larger than the sum of its proper divisors (1).

141824561 is an equidigital number, since it uses as much as digits as its factorization.

141824561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 32.

The square root of 141824561 is about 11909.0117558091. The cubic root of 141824561 is about 521.4954008224.

The spelling of 141824561 in words is "one hundred forty-one million, eight hundred twenty-four thousand, five hundred sixty-one".