40606145 has 8 divisors (see below), whose sum is σ = 48776256. Its totient is φ = 32452336.

The previous prime is 40606133. The next prime is 40606151. The reversal of 40606145 is 54160604.

It is a happy number.

40606145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40606145 - 2¹² = 40602049 is a prime.

It is a super-2 number, since 2×40606145² = 3297718023522050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 2324 + ... + 9306.

It is an arithmetic number, because the mean of its divisors is an integer number (6097032).

Almost surely, 2^40606145 is an apocalyptic number.

It is an amenable number.

40606145 is a deficient number, since it is larger than the sum of its proper divisors (8170111).

40606145 is a wasteful number, since it uses less digits than its factorization.

40606145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40606145 is about 6372.2951124379. The cubic root of 40606145 is about 343.7140251057.

Adding to 40606145 its reverse (54160604), we get a palindrome (94766749).

The spelling of 40606145 in words is "forty million, six hundred six thousand, one hundred forty-five".