141997824 has 54 divisors (see below), whose sum is σ = 409421376. Its totient is φ = 47331840.

The previous prime is 141997789. The next prime is 141997829. The reversal of 141997824 is 428799141.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 141997824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141997829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28512 + ... + 33119.

Almost surely, 2^141997824 is an apocalyptic number.

It is an amenable number.

141997824 is an abundant number, since it is smaller than the sum of its proper divisors (267423552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141997824 is an equidigital number, since it uses as much as digits as its factorization.

141997824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61653 (or 61636 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 141997824 is about 11916.2839845314. The cubic root of 141997824 is about 521.7076797274.

The spelling of 141997824 in words is "one hundred forty-one million, nine hundred ninety-seven thousand, eight hundred twenty-four".