3157145742859 has 4 divisors (see below), whose sum is σ = 3165388943616. Its totient is φ = 3148902542104.

The previous prime is 3157145742811. The next prime is 3157145742901. The reversal of 3157145742859 is 9582475417513.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3157145742859 - 2²⁵ = 3157112188427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3157145742797 and 3157145742806.

It is not an unprimeable number, because it can be changed into a prime (3157145749859) 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, 4121599804 + ... + 4121600569.

It is an arithmetic number, because the mean of its divisors is an integer number (791347235904).

Almost surely, 2^{3157145742859} is an apocalyptic number.

3157145742859 is a deficient number, since it is larger than the sum of its proper divisors (8243200757).

3157145742859 is an equidigital number, since it uses as much as digits as its factorization.

3157145742859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243200756.

The product of its digits is 42336000, while the sum is 61.

The spelling of 3157145742859 in words is "three trillion, one hundred fifty-seven billion, one hundred forty-five million, seven hundred forty-two thousand, eight hundred fifty-nine".