45168349 has 4 divisors (see below), whose sum is σ = 46020636. Its totient is φ = 44316064.

The previous prime is 45168317. The next prime is 45168353. The reversal of 45168349 is 94386154.

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 36060025 + 9108324 = 6005^2 + 3018^2 .

It is a cyclic number.

It is not a de Polignac number, because 45168349 - 2⁵ = 45168317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45168359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426064 + ... + 426169.

It is an arithmetic number, because the mean of its divisors is an integer number (11505159).

Almost surely, 2^45168349 is an apocalyptic number.

It is an amenable number.

45168349 is a deficient number, since it is larger than the sum of its proper divisors (852287).

45168349 is an equidigital number, since it uses as much as digits as its factorization.

45168349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852286.

The product of its digits is 103680, while the sum is 40.

The square root of 45168349 is about 6720.7402122088. The cubic root of 45168349 is about 356.1323336034.

The spelling of 45168349 in words is "forty-five million, one hundred sixty-eight thousand, three hundred forty-nine".