41645345 has 20 divisors (see below), whose sum is σ = 58316820. Its totient is φ = 28548576.

The previous prime is 41645339. The next prime is 41645353. The reversal of 41645345 is 54354614.

It can be written as a sum of positive squares in 2 ways, for example, as 6492304 + 35153041 = 2548^2 + 5929^2 .

It is not a de Polignac number, because 41645345 - 2⁸ = 41645089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10271 + ... + 13739.

It is an arithmetic number, because the mean of its divisors is an integer number (2915841).

Almost surely, 2^41645345 is an apocalyptic number.

It is an amenable number.

41645345 is a deficient number, since it is larger than the sum of its proper divisors (16671475).

41645345 is an frugal number, since it uses more digits than its factorization.

41645345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502 (or 3481 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 41645345 is about 6453.3204631414. The cubic root of 41645345 is about 346.6214926138.

Adding to 41645345 its reverse (54354614), we get a palindrome (95999959).

The spelling of 41645345 in words is "forty-one million, six hundred forty-five thousand, three hundred forty-five".