40343545 has 8 divisors (see below), whose sum is σ = 52813440. Its totient is φ = 29340720.

The previous prime is 40343543. The next prime is 40343573. The reversal of 40343545 is 54534304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40343545 - 2¹ = 40343543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40343543) by changing a digit.

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, 366705 + ... + 366814.

It is an arithmetic number, because the mean of its divisors is an integer number (6601680).

Almost surely, 2^40343545 is an apocalyptic number.

It is an amenable number.

40343545 is a deficient number, since it is larger than the sum of its proper divisors (12469895).

40343545 is a wasteful number, since it uses less digits than its factorization.

40343545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733535.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 40343545 is about 6351.6568704551. The cubic root of 40343545 is about 342.9714891006.

Adding to 40343545 its reverse (54534304), we get a palindrome (94877849).

The spelling of 40343545 in words is "forty million, three hundred forty-three thousand, five hundred forty-five".