5145306442 has 16 divisors (see below), whose sum is σ = 7782957000. Its totient is φ = 2551046400.

The previous prime is 5145306431. The next prime is 5145306487. The reversal of 5145306442 is 2446035415.

It can be written as a sum of positive squares in 4 ways, for example, as 4009549041 + 1135757401 = 63321^2 + 33701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5145306398 and 5145306407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164734 + ... + 193462.

Almost surely, 2^5145306442 is an apocalyptic number.

5145306442 is a deficient number, since it is larger than the sum of its proper divisors (2637650558).

5145306442 is a wasteful number, since it uses less digits than its factorization.

5145306442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29481.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 5145306442 is about 71730.7914496975. The cubic root of 5145306442 is about 1726.3827257709.

The spelling of 5145306442 in words is "five billion, one hundred forty-five million, three hundred six thousand, four hundred forty-two".