5302021145 has 4 divisors (see below), whose sum is σ = 6362425380. Its totient is φ = 4241616912.

The previous prime is 5302021141. The next prime is 5302021147. The reversal of 5302021145 is 5411202035.

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 1636445209 + 3665575936 = 40453^2 + 60544^2 .

It is a cyclic number.

It is not a de Polignac number, because 5302021145 - 2² = 5302021141 is a prime.

It is a super-2 number, since 2×5302021145² = 56222856444054222050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5302021145.

It is not an unprimeable number, because it can be changed into a prime (5302021141) 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, 530202110 + ... + 530202119.

It is an arithmetic number, because the mean of its divisors is an integer number (1590606345).

Almost surely, 2^5302021145 is an apocalyptic number.

It is an amenable number.

5302021145 is a deficient number, since it is larger than the sum of its proper divisors (1060404235).

5302021145 is a wasteful number, since it uses less digits than its factorization.

5302021145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060404234.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5302021145 is about 72814.9788505085. The cubic root of 5302021145 is about 1743.7350016139.

The spelling of 5302021145 in words is "five billion, three hundred two million, twenty-one thousand, one hundred forty-five".