5156320144 has 10 divisors (see below), whose sum is σ = 9990370310. Its totient is φ = 2578160064.

The previous prime is 5156320129. The next prime is 5156320153. The reversal of 5156320144 is 4410236515.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5149497600 + 6822544 = 71760^2 + 2612^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161134989 + ... + 161135020.

It is an arithmetic number, because the mean of its divisors is an integer number (999037031).

Almost surely, 2^5156320144 is an apocalyptic number.

It is an amenable number.

5156320144 is a deficient number, since it is larger than the sum of its proper divisors (4834050166).

5156320144 is a wasteful number, since it uses less digits than its factorization.

5156320144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322270017 (or 322270011 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5156320144 is about 71807.5215001883. The cubic root of 5156320144 is about 1727.6136414023.

Adding to 5156320144 its reverse (4410236515), we get a palindrome (9566556659).

The spelling of 5156320144 in words is "five billion, one hundred fifty-six million, three hundred twenty thousand, one hundred forty-four".