45074045 has 4 divisors (see below), whose sum is σ = 54088860. Its totient is φ = 36059232.

The previous prime is 45074039. The next prime is 45074077. The reversal of 45074045 is 54047054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54047054 = 2 ⋅27023527.

It can be written as a sum of positive squares in 2 ways, for example, as 5597956 + 39476089 = 2366^2 + 6283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45074045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45073999 and 45074017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4507400 + ... + 4507409.

It is an arithmetic number, because the mean of its divisors is an integer number (13522215).

Almost surely, 2^45074045 is an apocalyptic number.

It is an amenable number.

45074045 is a deficient number, since it is larger than the sum of its proper divisors (9014815).

45074045 is an equidigital number, since it uses as much as digits as its factorization.

45074045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014814.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 45074045 is about 6713.7206525145. The cubic root of 45074045 is about 355.8843125549.

The spelling of 45074045 in words is "forty-five million, seventy-four thousand, forty-five".