40112045 has 4 divisors (see below), whose sum is σ = 48134460. Its totient is φ = 32089632.

The previous prime is 40112003. The next prime is 40112081. The reversal of 40112045 is 54021104.

40112045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8684809 + 31427236 = 2947^2 + 5606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40112045 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4011200 + ... + 4011209.

It is an arithmetic number, because the mean of its divisors is an integer number (12033615).

Almost surely, 2^40112045 is an apocalyptic number.

It is an amenable number.

40112045 is a deficient number, since it is larger than the sum of its proper divisors (8022415).

40112045 is an equidigital number, since it uses as much as digits as its factorization.

40112045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8022414.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 40112045 is about 6333.4070609744. The cubic root of 40112045 is about 342.3142154014.

Adding to 40112045 its reverse (54021104), we get a palindrome (94133149).

The spelling of 40112045 in words is "forty million, one hundred twelve thousand, forty-five".