5145642937 has 4 divisors (see below), whose sum is σ = 5147599860. Its totient is φ = 5143686016.

The previous prime is 5145642923. The next prime is 5145642989. The reversal of 5145642937 is 7392465415.

It is a happy number.

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 227285776 + 4918357161 = 15076^2 + 70131^2 .

It is a cyclic number.

It is not a de Polignac number, because 5145642937 - 2⁷ = 5145642809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145642737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974512 + ... + 979777.

It is an arithmetic number, because the mean of its divisors is an integer number (1286899965).

Almost surely, 2^5145642937 is an apocalyptic number.

It is an amenable number.

5145642937 is a deficient number, since it is larger than the sum of its proper divisors (1956923).

5145642937 is a wasteful number, since it uses less digits than its factorization.

5145642937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956922.

The product of its digits is 907200, while the sum is 46.

The square root of 5145642937 is about 71733.1369521785. The cubic root of 5145642937 is about 1726.4203591945.

The spelling of 5145642937 in words is "five billion, one hundred forty-five million, six hundred forty-two thousand, nine hundred thirty-seven".