45744497 has 4 divisors (see below), whose sum is σ = 45762276. Its totient is φ = 45726720.

The previous prime is 45744481. The next prime is 45744509. The reversal of 45744497 is 79444754.

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 21939856 + 23804641 = 4684^2 + 4879^2 .

It is a cyclic number.

It is not a de Polignac number, because 45744497 - 2⁴ = 45744481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45744407) 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, 4208 + ... + 10449.

It is an arithmetic number, because the mean of its divisors is an integer number (11440569).

Almost surely, 2^45744497 is an apocalyptic number.

It is an amenable number.

45744497 is a deficient number, since it is larger than the sum of its proper divisors (17779).

45744497 is a wasteful number, since it uses less digits than its factorization.

45744497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778.

The product of its digits is 564480, while the sum is 44.

The square root of 45744497 is about 6763.4678235355. The cubic root of 45744497 is about 357.6401641206.

The spelling of 45744497 in words is "forty-five million, seven hundred forty-four thousand, four hundred ninety-seven".