5142431144 has 8 divisors (see below), whose sum is σ = 9642058410. Its totient is φ = 2571215568.

The previous prime is 5142431137. The next prime is 5142431171. The reversal of 5142431144 is 4411342415.

It can be written as a sum of positive squares in only one way, i.e., 5113680100 + 28751044 = 71510^2 + 5362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5142431144² = 52889196141562297472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321401939 + ... + 321401954.

Almost surely, 2^5142431144 is an apocalyptic number.

It is an amenable number.

5142431144 is a deficient number, since it is larger than the sum of its proper divisors (4499627266).

5142431144 is a wasteful number, since it uses less digits than its factorization.

5142431144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642803899 (or 642803895 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 5142431144 is about 71710.7463634287. The cubic root of 5142431144 is about 1726.0610870258.

Adding to 5142431144 its reverse (4411342415), we get a palindrome (9553773559).

The spelling of 5142431144 in words is "five billion, one hundred forty-two million, four hundred thirty-one thousand, one hundred forty-four".