45242312 has 16 divisors (see below), whose sum is σ = 85155840. Its totient is φ = 22534096.

The previous prime is 45242293. The next prime is 45242317. The reversal of 45242312 is 21324254.

It is a happy number.

45242312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45242317) 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 3 ways as a sum of consecutive naturals, for example, 8648 + ... + 12855.

It is an arithmetic number, because the mean of its divisors is an integer number (5322240).

Almost surely, 2^45242312 is an apocalyptic number.

It is an amenable number.

45242312 is a deficient number, since it is larger than the sum of its proper divisors (39913528).

45242312 is a wasteful number, since it uses less digits than its factorization.

45242312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21772 (or 21768 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 45242312 is about 6726.2405547230. The cubic root of 45242312 is about 356.3266160444.

Adding to 45242312 its reverse (21324254), we get a palindrome (66566566).

It can be divided in two parts, 45242 and 312, that added together give a palindrome (45554).

The spelling of 45242312 in words is "forty-five million, two hundred forty-two thousand, three hundred twelve".