41981045 has 8 divisors (see below), whose sum is σ = 50669496. Its totient is φ = 33390016.

The previous prime is 41981039. The next prime is 41981053. The reversal of 41981045 is 54018914.

It can be written as a sum of positive squares in 4 ways, for example, as 20811844 + 21169201 = 4562^2 + 4601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41981045 - 2¹⁴ = 41964661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23402 + ... + 25131.

It is an arithmetic number, because the mean of its divisors is an integer number (6333687).

Almost surely, 2^41981045 is an apocalyptic number.

It is an amenable number.

41981045 is a deficient number, since it is larger than the sum of its proper divisors (8688451).

41981045 is a wasteful number, since it uses less digits than its factorization.

41981045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48711.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 41981045 is about 6479.2781233715. The cubic root of 41981045 is about 347.5503644890.

Adding to 41981045 its reverse (54018914), we get a palindrome (95999959).

The spelling of 41981045 in words is "forty-one million, nine hundred eighty-one thousand, forty-five".