6457614221142 has 48 divisors (see below), whose sum is σ = 16155131140512. Its totient is φ = 1826011676160.

The previous prime is 6457614221141. The next prime is 6457614221147. The reversal of 6457614221142 is 2411224167546.

6457614221142 is a `hidden beast` number, since 6 + 4 + 5 + 7 + 614 + 2 + 21 + 1 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6457614221141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264167709 + ... + 264192152.

It is an arithmetic number, because the mean of its divisors is an integer number (336565232094).

Almost surely, 2^{6457614221142} is an apocalyptic number.

6457614221142 is an abundant number, since it is smaller than the sum of its proper divisors (9697516919370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6457614221142 is a wasteful number, since it uses less digits than its factorization.

6457614221142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528359973 (or 528359970 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

Adding to 6457614221142 its reverse (2411224167546), we get a palindrome (8868838388688).

The spelling of 6457614221142 in words is "six trillion, four hundred fifty-seven billion, six hundred fourteen million, two hundred twenty-one thousand, one hundred forty-two".