40332145 has 12 divisors (see below), whose sum is σ = 56300724. Its totient is φ = 27656160.

The previous prime is 40332139. The next prime is 40332161. The reversal of 40332145 is 54123304.

It can be written as a sum of positive squares in 2 ways, for example, as 20511841 + 19820304 = 4529^2 + 4452^2 .

It is not a de Polignac number, because 40332145 - 2³ = 40332137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82066 + ... + 82555.

It is an arithmetic number, because the mean of its divisors is an integer number (4691727).

Almost surely, 2^40332145 is an apocalyptic number.

It is an amenable number.

40332145 is a deficient number, since it is larger than the sum of its proper divisors (15968579).

40332145 is a wasteful number, since it uses less digits than its factorization.

40332145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164640 (or 164633 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40332145 is about 6350.7594034100. The cubic root of 40332145 is about 342.9391812199.

Adding to 40332145 its reverse (54123304), we get a palindrome (94455449).

The spelling of 40332145 in words is "forty million, three hundred thirty-two thousand, one hundred forty-five".