45311330 has 16 divisors (see below), whose sum is σ = 81673920. Its totient is φ = 18099312.

The previous prime is 45311317. The next prime is 45311339. The reversal of 45311330 is 3311354.

It is a happy number.

45311330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45311339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5531 + ... + 11009.

It is an arithmetic number, because the mean of its divisors is an integer number (5104620).

Almost surely, 2^45311330 is an apocalyptic number.

45311330 is a deficient number, since it is larger than the sum of its proper divisors (36362590).

45311330 is a wasteful number, since it uses less digits than its factorization.

45311330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 45311330 is about 6731.3691029389. The cubic root of 45311330 is about 356.5077183077.

Adding to 45311330 its reverse (3311354), we get a palindrome (48622684).

The spelling of 45311330 in words is "forty-five million, three hundred eleven thousand, three hundred thirty".