40113245 has 8 divisors (see below), whose sum is σ = 48337080. Its totient is φ = 31956480.

The previous prime is 40113221. The next prime is 40113253. The reversal of 40113245 is 54231104.

It can be written as a sum of positive squares in 4 ways, for example, as 900601 + 39212644 = 949^2 + 6262^2 .

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

It is not a de Polignac number, because 40113245 - 2¹² = 40109149 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15440 + ... + 17849.

It is an arithmetic number, because the mean of its divisors is an integer number (6042135).

Almost surely, 2^40113245 is an apocalyptic number.

It is an amenable number.

40113245 is a deficient number, since it is larger than the sum of its proper divisors (8223835).

40113245 is a wasteful number, since it uses less digits than its factorization.

40113245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33535.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40113245 is about 6333.5017960051. The cubic root of 40113245 is about 342.3176289477.

Adding to 40113245 its reverse (54231104), we get a palindrome (94344349).

The spelling of 40113245 in words is "forty million, one hundred thirteen thousand, two hundred forty-five".