141521541 has 32 divisors (see below), whose sum is σ = 224256000. Its totient is φ = 77682240.

The previous prime is 141521533. The next prime is 141521543. The reversal of 141521541 is 145125141.

141521541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 141521541 - 2³ = 141521533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141521543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96270 + ... + 97728.

It is an arithmetic number, because the mean of its divisors is an integer number (7008000).

Almost surely, 2^141521541 is an apocalyptic number.

It is an amenable number.

141521541 is a deficient number, since it is larger than the sum of its proper divisors (82734459).

141521541 is a wasteful number, since it uses less digits than its factorization.

141521541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649.

The product of its digits is 800, while the sum is 24.

The square root of 141521541 is about 11896.2826546783. The cubic root of 141521541 is about 521.1237298591.

Adding to 141521541 its reverse (145125141), we get a palindrome (286646682).

The spelling of 141521541 in words is "one hundred forty-one million, five hundred twenty-one thousand, five hundred forty-one".