45134809 has 12 divisors (see below), whose sum is σ = 48356532. Its totient is φ = 42099200.

The previous prime is 45134807. The next prime is 45134849. The reversal of 45134809 is 90843154.

It can be written as a sum of positive squares in 2 ways, for example, as 8265625 + 36869184 = 2875^2 + 6072^2 .

It is not a de Polignac number, because 45134809 - 2¹ = 45134807 is a prime.

It is a super-3 number, since 3×45134809³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45134807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20649 + ... + 22729.

It is an arithmetic number, because the mean of its divisors is an integer number (4029711).

Almost surely, 2^45134809 is an apocalyptic number.

It is an amenable number.

45134809 is a deficient number, since it is larger than the sum of its proper divisors (3221723).

45134809 is a wasteful number, since it uses less digits than its factorization.

45134809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 45134809 is about 6718.2444879596. The cubic root of 45134809 is about 356.0441624505.

The spelling of 45134809 in words is "forty-five million, one hundred thirty-four thousand, eight hundred nine".