5202042145 has 4 divisors (see below), whose sum is σ = 6242450580. Its totient is φ = 4161633712.

The previous prime is 5202042137. The next prime is 5202042179. The reversal of 5202042145 is 5412402025.

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 717864849 + 4484177296 = 26793^2 + 66964^2 .

It is a cyclic number.

It is not a de Polignac number, because 5202042145 - 2³ = 5202042137 is a prime.

It is a super-2 number, since 2×5202042145² = 54122484956712402050, which contains 22 as substring.

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, 520204210 + ... + 520204219.

It is an arithmetic number, because the mean of its divisors is an integer number (1560612645).

Almost surely, 2^5202042145 is an apocalyptic number.

It is an amenable number.

5202042145 is a deficient number, since it is larger than the sum of its proper divisors (1040408435).

5202042145 is a wasteful number, since it uses less digits than its factorization.

5202042145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040408434.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 5202042145 is about 72125.1838472527. The cubic root of 5202042145 is about 1732.7049740582.

The spelling of 5202042145 in words is "five billion, two hundred two million, forty-two thousand, one hundred forty-five".