40765145 has 8 divisors (see below), whose sum is σ = 49648704. Its totient is φ = 32125104.

The previous prime is 40765139. The next prime is 40765163. The reversal of 40765145 is 54156704.

40765145 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 40765145 - 2²⁰ = 39716569 is a prime.

It is a Duffinian 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, 60509 + ... + 61178.

It is an arithmetic number, because the mean of its divisors is an integer number (6206088).

Almost surely, 2^40765145 is an apocalyptic number.

It is an amenable number.

40765145 is a deficient number, since it is larger than the sum of its proper divisors (8883559).

40765145 is a wasteful number, since it uses less digits than its factorization.

40765145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121759.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 40765145 is about 6384.7588051547. The cubic root of 40765145 is about 344.1620636455.

The spelling of 40765145 in words is "forty million, seven hundred sixty-five thousand, one hundred forty-five".