41521142 has 16 divisors (see below), whose sum is σ = 67178832. Its totient is φ = 19133280.

The previous prime is 41521097. The next prime is 41521147. The reversal of 41521142 is 24112514.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41521147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31517 + ... + 32807.

It is an arithmetic number, because the mean of its divisors is an integer number (4198677).

Almost surely, 2^41521142 is an apocalyptic number.

41521142 is a deficient number, since it is larger than the sum of its proper divisors (25657690).

41521142 is a wasteful number, since it uses less digits than its factorization.

41521142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543.

The product of its digits is 320, while the sum is 20.

The square root of 41521142 is about 6443.6900918651. The cubic root of 41521142 is about 346.2765617127.

Adding to 41521142 its reverse (24112514), we get a palindrome (65633656).

The spelling of 41521142 in words is "forty-one million, five hundred twenty-one thousand, one hundred forty-two".