40346545 has 8 divisors (see below), whose sum is σ = 48450024. Its totient is φ = 32254464.

The previous prime is 40346543. The next prime is 40346561. The reversal of 40346545 is 54564304.

It can be written as a sum of positive squares in 4 ways, for example, as 12510369 + 27836176 = 3537^2 + 5276^2 .

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 40346545 - 2¹ = 40346543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40346543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11767 + ... + 14803.

It is an arithmetic number, because the mean of its divisors is an integer number (6056253).

Almost surely, 2^40346545 is an apocalyptic number.

It is an amenable number.

40346545 is a deficient number, since it is larger than the sum of its proper divisors (8103479).

40346545 is a wasteful number, since it uses less digits than its factorization.

40346545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5699.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 40346545 is about 6351.8930249178. The cubic root of 40346545 is about 342.9799901628.

The spelling of 40346545 in words is "forty million, three hundred forty-six thousand, five hundred forty-five".