45091349 has 8 divisors (see below), whose sum is σ = 46652760. Its totient is φ = 43552000.

The previous prime is 45091337. The next prime is 45091363. The reversal of 45091349 is 94319054.

45091349 = T₃₈₇ + T₃₈₈ + ... + T₆₈₉.

It can be written as a sum of positive squares in 4 ways, for example, as 442225 + 44649124 = 665^2 + 6682^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45091349 - 2²⁰ = 44042773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45091309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304 + ... + 9585.

It is an arithmetic number, because the mean of its divisors is an integer number (5831595).

Almost surely, 2^45091349 is an apocalyptic number.

It is an amenable number.

45091349 is a deficient number, since it is larger than the sum of its proper divisors (1561411).

45091349 is a wasteful number, since it uses less digits than its factorization.

45091349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 45091349 is about 6715.0092330540. The cubic root of 45091349 is about 355.9298482526.

The spelling of 45091349 in words is "forty-five million, ninety-one thousand, three hundred forty-nine".