141821144 has 32 divisors (see below), whose sum is σ = 271026000. Its totient is φ = 69560832.

The previous prime is 141821101. The next prime is 141821153. The reversal of 141821144 is 441128141.

It is a super-2 number, since 2×141821144² = 40226473770937472, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98252 + ... + 99684.

Almost surely, 2^141821144 is an apocalyptic number.

It is an amenable number.

141821144 is a deficient number, since it is larger than the sum of its proper divisors (129204856).

141821144 is a wasteful number, since it uses less digits than its factorization.

141821144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1663 counting only the distinct ones).

The product of its digits is 1024, while the sum is 26.

The square root of 141821144 is about 11908.8682921594. The cubic root of 141821144 is about 521.4912126336.

Adding to 141821144 its reverse (441128141), we get a palindrome (582949285).

The spelling of 141821144 in words is "one hundred forty-one million, eight hundred twenty-one thousand, one hundred forty-four".