45369538 has 4 divisors (see below), whose sum is σ = 68054310. Its totient is φ = 22684768.

The previous prime is 45369491. The next prime is 45369539. The reversal of 45369538 is 83596354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83596354 = 2 ⋅41798177.

It can be written as a sum of positive squares in only one way, i.e., 26594649 + 18774889 = 5157^2 + 4333^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45369494 and 45369503.

It is not an unprimeable number, because it can be changed into a prime (45369539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11342383 + ... + 11342386.

Almost surely, 2^45369538 is an apocalyptic number.

45369538 is a deficient number, since it is larger than the sum of its proper divisors (22684772).

45369538 is a wasteful number, since it uses less digits than its factorization.

45369538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22684771.

The product of its digits is 388800, while the sum is 43.

The square root of 45369538 is about 6735.6913527863. The cubic root of 45369538 is about 356.6603123838.

The spelling of 45369538 in words is "forty-five million, three hundred sixty-nine thousand, five hundred thirty-eight".