6157144842 has 8 divisors (see below), whose sum is σ = 12314289696. Its totient is φ = 2052381612.

The previous prime is 6157144841. The next prime is 6157144843. The reversal of 6157144842 is 2484417516.

It is an interprime number because it is at equal distance from previous prime (6157144841) and next prime (6157144843).

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

6157144842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6157144794 and 6157144803.

It is not an unprimeable number, because it can be changed into a prime (6157144841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513095398 + ... + 513095409.

It is an arithmetic number, because the mean of its divisors is an integer number (1539286212).

Almost surely, 2^6157144842 is an apocalyptic number.

6157144842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6157144842 is a wasteful number, since it uses less digits than its factorization.

6157144842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026190812.

The product of its digits is 215040, while the sum is 42.

The square root of 6157144842 is about 78467.4763325545. The cubic root of 6157144842 is about 1832.8480285115.

The spelling of 6157144842 in words is "six billion, one hundred fifty-seven million, one hundred forty-four thousand, eight hundred forty-two".