5142525147644 has 12 divisors (see below), whose sum is σ = 9064163031000. Its totient is φ = 2552764281648.

The previous prime is 5142525147637. The next prime is 5142525147649. The reversal of 5142525147644 is 4467415252415.

It is a junction number, because it is equal to n+sod(n) for n = 5142525147592 and 5142525147601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142525147649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4624572419 + ... + 4624573530.

It is an arithmetic number, because the mean of its divisors is an integer number (755346919250).

Almost surely, 2^{5142525147644} is an apocalyptic number.

It is an amenable number.

5142525147644 is a deficient number, since it is larger than the sum of its proper divisors (3921637883356).

5142525147644 is a wasteful number, since it uses less digits than its factorization.

5142525147644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249146092 (or 9249146090 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 50.

The spelling of 5142525147644 in words is "five trillion, one hundred forty-two billion, five hundred twenty-five million, one hundred forty-seven thousand, six hundred forty-four".