5145736 has 8 divisors (see below), whose sum is σ = 9648270. Its totient is φ = 2572864.

The previous prime is 5145733. The next prime is 5145743. The reversal of 5145736 is 6375415.

5145736 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3632836 + 1512900 = 1906^2 + 1230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5145698 and 5145707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321601 + ... + 321616.

Almost surely, 2^5145736 is an apocalyptic number.

It is an amenable number.

5145736 is a deficient number, since it is larger than the sum of its proper divisors (4502534).

5145736 is a wasteful number, since it uses less digits than its factorization.

5145736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643223 (or 643219 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 5145736 is about 2268.4214775919. The cubic root of 5145736 is about 172.6430767022.

The spelling of 5145736 in words is "five million, one hundred forty-five thousand, seven hundred thirty-six".