45372193 has 4 divisors (see below), whose sum is σ = 45391428. Its totient is φ = 45352960.

The previous prime is 45372163. The next prime is 45372233. The reversal of 45372193 is 39127354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31888609 + 13483584 = 5647^2 + 3672^2 .

It is a cyclic number.

It is not a de Polignac number, because 45372193 - 2⁹ = 45371681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45372113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5488 + ... + 10993.

It is an arithmetic number, because the mean of its divisors is an integer number (11347857).

Almost surely, 2^45372193 is an apocalyptic number.

It is an amenable number.

45372193 is a deficient number, since it is larger than the sum of its proper divisors (19235).

45372193 is a wasteful number, since it uses less digits than its factorization.

45372193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19234.

The product of its digits is 22680, while the sum is 34.

The square root of 45372193 is about 6735.8884343493. Note that the first 3 decimals coincide. The cubic root of 45372193 is about 356.6672694354.

The spelling of 45372193 in words is "forty-five million, three hundred seventy-two thousand, one hundred ninety-three".