141442521 has 16 divisors (see below), whose sum is σ = 207776448. Its totient is φ = 84872000.

The previous prime is 141442519. The next prime is 141442573. The reversal of 141442521 is 125244141.

It is a cyclic number.

It is not a de Polignac number, because 141442521 - 2¹ = 141442519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141442491 and 141442500.

It is not an unprimeable number, because it can be changed into a prime (141442501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17886 + ... + 24551.

It is an arithmetic number, because the mean of its divisors is an integer number (12986028).

Almost surely, 2^141442521 is an apocalyptic number.

141442521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141442521 is a deficient number, since it is larger than the sum of its proper divisors (66333927).

141442521 is a wasteful number, since it uses less digits than its factorization.

141442521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42552.

The product of its digits is 1280, while the sum is 24.

The square root of 141442521 is about 11892.9609853896. The cubic root of 141442521 is about 521.0267202130.

Adding to 141442521 its reverse (125244141), we get a palindrome (266686662).

The spelling of 141442521 in words is "one hundred forty-one million, four hundred forty-two thousand, five hundred twenty-one".