41644145 has 16 divisors (see below), whose sum is σ = 53948160. Its totient is φ = 30765504.

The previous prime is 41644121. The next prime is 41644153. The reversal of 41644145 is 54144614.

It is a cyclic number.

It is not a de Polignac number, because 41644145 - 2¹⁶ = 41578609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2909 + ... + 9578.

It is an arithmetic number, because the mean of its divisors is an integer number (3371760).

Almost surely, 2^41644145 is an apocalyptic number.

It is an amenable number.

41644145 is a deficient number, since it is larger than the sum of its proper divisors (12304015).

41644145 is a wasteful number, since it uses less digits than its factorization.

41644145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12544.

The product of its digits is 7680, while the sum is 29.

The square root of 41644145 is about 6453.2274870796. The cubic root of 41644145 is about 346.6181633118.

Adding to 41644145 its reverse (54144614), we get a palindrome (95788759).

The spelling of 41644145 in words is "forty-one million, six hundred forty-four thousand, one hundred forty-five".