41145520 has 40 divisors (see below), whose sum is σ = 103024656. Its totient is φ = 15191808.

The previous prime is 41145497. The next prime is 41145521. The reversal of 41145520 is 2554114.

41145520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 41145491 and 41145500.

It is not an unprimeable number, because it can be changed into a prime (41145521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18742 + ... + 20821.

Almost surely, 2^41145520 is an apocalyptic number.

41145520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41145520 is an abundant number, since it is smaller than the sum of its proper divisors (61879136).

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

41145520 is a wasteful number, since it uses less digits than its factorization.

41145520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39589 (or 39583 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 41145520 is about 6414.4773754375. The cubic root of 41145520 is about 345.2291972778.

Adding to 41145520 its reverse (2554114), we get a palindrome (43699634).

The spelling of 41145520 in words is "forty-one million, one hundred forty-five thousand, five hundred twenty".