157431474586 has 8 divisors (see below), whose sum is σ = 236151560340. Its totient is φ = 78714287808.

The previous prime is 157431474581. The next prime is 157431474589. The reversal of 157431474586 is 685474134751.

157431474586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 155024100361 + 2407374225 = 393731^2 + 49065^2 .

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

It is not an unprimeable number, because it can be changed into a prime (157431474581) 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, 583471 + ... + 809506.

Almost surely, 2^157431474586 is an apocalyptic number.

157431474586 is a deficient number, since it is larger than the sum of its proper divisors (78720085754).

157431474586 is a wasteful number, since it uses less digits than its factorization.

157431474586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449488.

The product of its digits is 11289600, while the sum is 55.

The spelling of 157431474586 in words is "one hundred fifty-seven billion, four hundred thirty-one million, four hundred seventy-four thousand, five hundred eighty-six".