40313545 has 16 divisors (see below), whose sum is σ = 52316928. Its totient is φ = 29704960.

The previous prime is 40313543. The next prime is 40313551. The reversal of 40313545 is 54531304.

It is not a de Polignac number, because 40313545 - 2¹ = 40313543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40313543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051 + ... + 9040.

It is an arithmetic number, because the mean of its divisors is an integer number (3269808).

Almost surely, 2^40313545 is an apocalyptic number.

It is an amenable number.

40313545 is a deficient number, since it is larger than the sum of its proper divisors (12003383).

40313545 is a wasteful number, since it uses less digits than its factorization.

40313545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10160.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 40313545 is about 6349.2948427365. The cubic root of 40313545 is about 342.8864552898.

Adding to 40313545 its reverse (54531304), we get a palindrome (94844849).

The spelling of 40313545 in words is "forty million, three hundred thirteen thousand, five hundred forty-five".