40322145 has 8 divisors (see below), whose sum is σ = 64515456. Its totient is φ = 21505136.

The previous prime is 40322143. The next prime is 40322167. The reversal of 40322145 is 54122304.

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 40322145 - 2¹ = 40322143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40322143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344057 + ... + 1344086.

It is an arithmetic number, because the mean of its divisors is an integer number (8064432).

Almost surely, 2^40322145 is an apocalyptic number.

It is an amenable number.

40322145 is a deficient number, since it is larger than the sum of its proper divisors (24193311).

40322145 is a wasteful number, since it uses less digits than its factorization.

40322145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688151.

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

The square root of 40322145 is about 6349.9720471826. The cubic root of 40322145 is about 342.9108359610.

Adding to 40322145 its reverse (54122304), we get a palindrome (94444449).

The spelling of 40322145 in words is "forty million, three hundred twenty-two thousand, one hundred forty-five".