5145549 has 8 divisors (see below), whose sum is σ = 6913632. Its totient is φ = 3403920.

The previous prime is 5145529. The next prime is 5145589. The reversal of 5145549 is 9455415.

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

It is not a de Polignac number, because 5145549 - 2⁹ = 5145037 is a prime.

It is a super-2 number, since 2×5145549² = 52953349022802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145529) 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, 6154 + ... + 6939.

It is an arithmetic number, because the mean of its divisors is an integer number (864204).

Almost surely, 2^5145549 is an apocalyptic number.

It is an amenable number.

5145549 is a deficient number, since it is larger than the sum of its proper divisors (1768083).

5145549 is a wasteful number, since it uses less digits than its factorization.

5145549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13227.

The product of its digits is 18000, while the sum is 33.

The square root of 5145549 is about 2268.3802591276. The cubic root of 5145549 is about 172.6409853495.

The spelling of 5145549 in words is "five million, one hundred forty-five thousand, five hundred forty-nine".