5145632 has 18 divisors (see below), whose sum is σ = 10155789. Its totient is φ = 2566400.

The previous prime is 5145631. The next prime is 5145643. The reversal of 5145632 is 2365415.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 3083536 + 2062096 = 1756^2 + 1436^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1604.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12632 + ... + 13032.

Almost surely, 2^5145632 is an apocalyptic number.

It is an amenable number.

5145632 is a deficient number, since it is larger than the sum of its proper divisors (5010157).

5145632 is an frugal number, since it uses more digits than its factorization.

5145632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 403 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 5145632 is about 2268.3985540464. The cubic root of 5145632 is about 172.6419136032.

It can be divided in two parts, 51 and 45632, that multiplied together give a palindrome (2327232).

The spelling of 5145632 in words is "five million, one hundred forty-five thousand, six hundred thirty-two".