40231245 has 16 divisors (see below), whose sum is σ = 64448640. Its totient is φ = 21430464.

The previous prime is 40231237. The next prime is 40231253. The reversal of 40231245 is 54213204.

40231245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40231237) and next prime (40231253).

It is not a de Polignac number, because 40231245 - 2³ = 40231237 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 23271 + ... + 24939.

It is an arithmetic number, because the mean of its divisors is an integer number (4028040).

Almost surely, 2^40231245 is an apocalyptic number.

It is an amenable number.

40231245 is a deficient number, since it is larger than the sum of its proper divisors (24217395).

40231245 is a wasteful number, since it uses less digits than its factorization.

40231245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40231245 is about 6342.8104969327. The cubic root of 40231245 is about 342.6529623827.

Adding to 40231245 its reverse (54213204), we get a palindrome (94444449).

The spelling of 40231245 in words is "forty million, two hundred thirty-one thousand, two hundred forty-five".