5203155145 has 4 divisors (see below), whose sum is σ = 6243786180. Its totient is φ = 4162524112.

The previous prime is 5203155109. The next prime is 5203155157. The reversal of 5203155145 is 5415513025.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2892718656 + 2310436489 = 53784^2 + 48067^2 .

It is a cyclic number.

It is not a de Polignac number, because 5203155145 - 2⁷ = 5203155017 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520315510 + ... + 520315519.

It is an arithmetic number, because the mean of its divisors is an integer number (1560946545).

Almost surely, 2^5203155145 is an apocalyptic number.

It is an amenable number.

5203155145 is a deficient number, since it is larger than the sum of its proper divisors (1040631035).

5203155145 is a wasteful number, since it uses less digits than its factorization.

5203155145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040631034.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 5203155145 is about 72132.8991861550. The cubic root of 5203155145 is about 1732.8285385522.

The spelling of 5203155145 in words is "five billion, two hundred three million, one hundred fifty-five thousand, one hundred forty-five".