5142245512 has 8 divisors (see below), whose sum is σ = 9641710350. Its totient is φ = 2571122752.

The previous prime is 5142245509. The next prime is 5142245569. The reversal of 5142245512 is 2155422415.

It can be written as a sum of positive squares in only one way, i.e., 3645019876 + 1497225636 = 60374^2 + 38694^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321390337 + ... + 321390352.

Almost surely, 2^5142245512 is an apocalyptic number.

It is an amenable number.

5142245512 is a deficient number, since it is larger than the sum of its proper divisors (4499464838).

5142245512 is a wasteful number, since it uses less digits than its factorization.

5142245512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642780695 (or 642780691 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 5142245512 is about 71709.4520408572. The cubic root of 5142245512 is about 1726.0403175999.

Adding to 5142245512 its reverse (2155422415), we get a palindrome (7297667927).

The spelling of 5142245512 in words is "five billion, one hundred forty-two million, two hundred forty-five thousand, five hundred twelve".