45243445 has 8 divisors (see below), whose sum is σ = 58468536. Its totient is φ = 33410496.

The previous prime is 45243437. The next prime is 45243449. The reversal of 45243445 is 54434254.

45243445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 165649 + 45077796 = 407^2 + 6714^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45243445 - 2³ = 45243437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45243449) 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, 347962 + ... + 348091.

It is an arithmetic number, because the mean of its divisors is an integer number (7308567).

Almost surely, 2^45243445 is an apocalyptic number.

It is an amenable number.

45243445 is a deficient number, since it is larger than the sum of its proper divisors (13225091).

45243445 is a wasteful number, since it uses less digits than its factorization.

45243445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696071.

The product of its digits is 38400, while the sum is 31.

The square root of 45243445 is about 6726.3247765775. The cubic root of 45243445 is about 356.3295905069.

Adding to 45243445 its reverse (54434254), we get a palindrome (99677699).

The spelling of 45243445 in words is "forty-five million, two hundred forty-three thousand, four hundred forty-five".