141824281 has 3 divisors (see below), whose sum is σ = 141836191. Its totient is φ = 141812372.

The previous prime is 141824257. The next prime is 141824317. The reversal of 141824281 is 182428141.

The square root of 141824281 is 11909.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 47734281 + 94090000 = 6909^2 + 9700^2 .

It is not a de Polignac number, because 141824281 - 2¹⁹ = 141299993 is a prime.

It is a super-2 number, since 2×141824281² = 40228253362333922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141824681) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5955 + ... + 17863.

Almost surely, 2^141824281 is an apocalyptic number.

141824281 is the 11909-th square number.

141824281 is the 5955-th centered octagonal number.

It is an amenable number.

141824281 is a deficient number, since it is larger than the sum of its proper divisors (11910).

141824281 is an frugal number, since it uses more digits than its factorization.

141824281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23818 (or 11909 counting only the distinct ones).

The product of its digits is 4096, while the sum is 31.

The cubic root of 141824281 is about 521.4950576312.

Multiplying 141824281 by its product of digits (4096), we get a square (580912254976 = 762176²).

The spelling of 141824281 in words is "one hundred forty-one million, eight hundred twenty-four thousand, two hundred eighty-one".