5278233145 has 4 divisors (see below), whose sum is σ = 6333879780. Its totient is φ = 4222586512.

The previous prime is 5278233127. The next prime is 5278233173. The reversal of 5278233145 is 5413328725.

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 930677049 + 4347556096 = 30507^2 + 65936^2 .

It is a cyclic number.

It is not a de Polignac number, because 5278233145 - 2¹⁷ = 5278102073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5278233098 and 5278233107.

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, 527823310 + ... + 527823319.

It is an arithmetic number, because the mean of its divisors is an integer number (1583469945).

Almost surely, 2^5278233145 is an apocalyptic number.

It is an amenable number.

5278233145 is a deficient number, since it is larger than the sum of its proper divisors (1055646635).

5278233145 is a wasteful number, since it uses less digits than its factorization.

5278233145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055646634.

The product of its digits is 201600, while the sum is 40.

The square root of 5278233145 is about 72651.4497102432. The cubic root of 5278233145 is about 1741.1232832571.

The spelling of 5278233145 in words is "five billion, two hundred seventy-eight million, two hundred thirty-three thousand, one hundred forty-five".