45312445 has 8 divisors (see below), whose sum is σ = 54676440. Its totient is φ = 36048960.

The previous prime is 45312437. The next prime is 45312469. The reversal of 45312445 is 54421354.

It can be written as a sum of positive squares in 4 ways, for example, as 395641 + 44916804 = 629^2 + 6702^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45312445 - 2³ = 45312437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24130 + ... + 25939.

It is an arithmetic number, because the mean of its divisors is an integer number (6834555).

Almost surely, 2^45312445 is an apocalyptic number.

It is an amenable number.

45312445 is a deficient number, since it is larger than the sum of its proper divisors (9363995).

45312445 is a wasteful number, since it uses less digits than its factorization.

45312445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50255.

The product of its digits is 9600, while the sum is 28.

The square root of 45312445 is about 6731.4519236195. The cubic root of 45312445 is about 356.5106425421.

Adding to 45312445 its reverse (54421354), we get a palindrome (99733799).

The spelling of 45312445 in words is "forty-five million, three hundred twelve thousand, four hundred forty-five".