5145599 has 4 divisors (see below), whose sum is σ = 5416440. Its totient is φ = 4874760.

The previous prime is 5145593. The next prime is 5145601. The reversal of 5145599 is 9955415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5145599 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 (5145593) 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, 135392 + ... + 135429.

It is an arithmetic number, because the mean of its divisors is an integer number (1354110).

Almost surely, 2^5145599 is an apocalyptic number.

5145599 is a deficient number, since it is larger than the sum of its proper divisors (270841).

5145599 is a wasteful number, since it uses less digits than its factorization.

5145599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270840.

The product of its digits is 40500, while the sum is 38.

The square root of 5145599 is about 2268.3912801807. The cubic root of 5145599 is about 172.6415445397.

The spelling of 5145599 in words is "five million, one hundred forty-five thousand, five hundred ninety-nine".