6142445140425 has 72 divisors (see below), whose sum is σ = 11173305591840. Its totient is φ = 2975316960000.

The previous prime is 6142445140387. The next prime is 6142445140519. The reversal of 6142445140425 is 5240415442416.

It is a happy number.

It is not a de Polignac number, because 6142445140425 - 2⁷ = 6142445140297 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9215821 + ... + 9859829.

Almost surely, 2^{6142445140425} is an apocalyptic number.

It is an amenable number.

6142445140425 is a deficient number, since it is larger than the sum of its proper divisors (5030860451415).

6142445140425 is a wasteful number, since it uses less digits than its factorization.

6142445140425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645095 (or 645079 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 42.

The spelling of 6142445140425 in words is "six trillion, one hundred forty-two billion, four hundred forty-five million, one hundred forty thousand, four hundred twenty-five".