41145921 has 16 divisors (see below), whose sum is σ = 61427520. Its totient is φ = 27218880.

The previous prime is 41145917. The next prime is 41145941. The reversal of 41145921 is 12954114.

41145921 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 41145921 - 2² = 41145917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (41145901) 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 15 ways as a sum of consecutive naturals, for example, 2280 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (3839220).

Almost surely, 2^41145921 is an apocalyptic number.

It is an amenable number.

41145921 is a deficient number, since it is larger than the sum of its proper divisors (20281599).

41145921 is a wasteful number, since it uses less digits than its factorization.

41145921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11773 (or 11767 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 41145921 is about 6414.5086327793. The cubic root of 41145921 is about 345.2303187969.

The spelling of 41145921 in words is "forty-one million, one hundred forty-five thousand, nine hundred twenty-one".