45319697 has 4 divisors (see below), whose sum is σ = 45334080. Its totient is φ = 45305316.

The previous prime is 45319669. The next prime is 45319723. The reversal of 45319697 is 79691354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45319697 - 2⁶ = 45319633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45319657) 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, 197 + ... + 9522.

It is an arithmetic number, because the mean of its divisors is an integer number (11333520).

Almost surely, 2^45319697 is an apocalyptic number.

It is an amenable number.

45319697 is a deficient number, since it is larger than the sum of its proper divisors (14383).

45319697 is an equidigital number, since it uses as much as digits as its factorization.

45319697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14382.

The product of its digits is 204120, while the sum is 44.

The square root of 45319697 is about 6731.9905674325. The cubic root of 45319697 is about 356.5296606968.

The spelling of 45319697 in words is "forty-five million, three hundred nineteen thousand, six hundred ninety-seven".