45312443 has 6 divisors (see below), whose sum is σ = 49806372. Its totient is φ = 41193020.

The previous prime is 45312437. The next prime is 45312469. The reversal of 45312443 is 34421354.

It is not a de Polignac number, because 45312443 - 2⁴ = 45312427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45312433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187121 + ... + 187362.

It is an arithmetic number, because the mean of its divisors is an integer number (8301062).

Almost surely, 2^45312443 is an apocalyptic number.

45312443 is a deficient number, since it is larger than the sum of its proper divisors (4493929).

45312443 is a wasteful number, since it uses less digits than its factorization.

45312443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374505 (or 374494 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 45312443 is about 6731.4517750631. The cubic root of 45312443 is about 356.5106372969.

Adding to 45312443 its reverse (34421354), we get a palindrome (79733797).

The spelling of 45312443 in words is "forty-five million, three hundred twelve thousand, four hundred forty-three".