5145541 has 6 divisors (see below), whose sum is σ = 5275826. Its totient is φ = 5018400.

The previous prime is 5145529. The next prime is 5145589. The reversal of 5145541 is 1455415.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 65025 + 5080516 = 255^2 + 2254^2 .

It is not a de Polignac number, because 5145541 - 2¹¹ = 5143493 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 (5145521) 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 5 ways as a sum of consecutive naturals, for example, 151 + ... + 3211.

Almost surely, 2^5145541 is an apocalyptic number.

It is an amenable number.

5145541 is a deficient number, since it is larger than the sum of its proper divisors (130285).

5145541 is an equidigital number, since it uses as much as digits as its factorization.

5145541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143 (or 3102 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 5145541 is about 2268.3784957542. The cubic root of 5145541 is about 172.6408958787.

The spelling of 5145541 in words is "five million, one hundred forty-five thousand, five hundred forty-one".