7142438725157 has 8 divisors (see below), whose sum is σ = 7562670566976. Its totient is φ = 6722216704192.

The previous prime is 7142438725153. The next prime is 7142438725237. The reversal of 7142438725157 is 7515278342417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7142438725157 - 2² = 7142438725153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142438725153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930833 + ... + 3892470.

It is an arithmetic number, because the mean of its divisors is an integer number (945333820872).

Almost surely, 2^{7142438725157} is an apocalyptic number.

It is an amenable number.

7142438725157 is a deficient number, since it is larger than the sum of its proper divisors (420231841819).

7142438725157 is a wasteful number, since it uses less digits than its factorization.

7142438725157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910427.

The product of its digits is 13171200, while the sum is 56.

The spelling of 7142438725157 in words is "seven trillion, one hundred forty-two billion, four hundred thirty-eight million, seven hundred twenty-five thousand, one hundred fifty-seven".