5145641 has 4 divisors (see below), whose sum is σ = 5182800. Its totient is φ = 5108484.

The previous prime is 5145631. The next prime is 5145643. The reversal of 5145641 is 1465415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5145641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5145641.

It is not an unprimeable number, because it can be changed into a prime (5145643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18371 + ... + 18648.

It is an arithmetic number, because the mean of its divisors is an integer number (1295700).

Almost surely, 2^5145641 is an apocalyptic number.

It is an amenable number.

5145641 is a deficient number, since it is larger than the sum of its proper divisors (37159).

5145641 is a wasteful number, since it uses less digits than its factorization.

5145641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37158.

The product of its digits is 2400, while the sum is 26.

The square root of 5145641 is about 2268.4005378240. The cubic root of 5145641 is about 172.6420142566.

The spelling of 5145641 in words is "five million, one hundred forty-five thousand, six hundred forty-one".