40501145 has 8 divisors (see below), whose sum is σ = 49073856. Its totient is φ = 32085936.

The previous prime is 40501129. The next prime is 40501163. The reversal of 40501145 is 54110504.

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 40501145 - 2⁴ = 40501129 is a prime.

It is a super-2 number, since 2×40501145² = 3280685492622050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38807 + ... + 39836.

It is an arithmetic number, because the mean of its divisors is an integer number (6134232).

Almost surely, 2^40501145 is an apocalyptic number.

It is an amenable number.

40501145 is a deficient number, since it is larger than the sum of its proper divisors (8572711).

40501145 is a wasteful number, since it uses less digits than its factorization.

40501145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78751.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 40501145 is about 6364.0509897392. The cubic root of 40501145 is about 343.4175090264.

Adding to 40501145 its reverse (54110504), we get a palindrome (94611649).

The spelling of 40501145 in words is "forty million, five hundred one thousand, one hundred forty-five".