157145731586 has 8 divisors (see below), whose sum is σ = 236059726224. Its totient is φ = 78459156180.

The previous prime is 157145731577. The next prime is 157145731621. The reversal of 157145731586 is 685137541751.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56853080 + ... + 56855843.

It is an arithmetic number, because the mean of its divisors is an integer number (29507465778).

Almost surely, 2^157145731586 is an apocalyptic number.

157145731586 is a deficient number, since it is larger than the sum of its proper divisors (78913994638).

157145731586 is a wasteful number, since it uses less digits than its factorization.

157145731586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113709616.

The product of its digits is 3528000, while the sum is 53.

The spelling of 157145731586 in words is "one hundred fifty-seven billion, one hundred forty-five million, seven hundred thirty-one thousand, five hundred eighty-six".