157442874587 has 4 divisors (see below), whose sum is σ = 157484343456. Its totient is φ = 157401405720.

The previous prime is 157442874581. The next prime is 157442874613. The reversal of 157442874587 is 785478244751.

157442874587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 157442874587 - 2⁸ = 157442874331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157442874581) 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, 20728739 + ... + 20736332.

It is an arithmetic number, because the mean of its divisors is an integer number (39371085864).

Almost surely, 2^157442874587 is an apocalyptic number.

157442874587 is a deficient number, since it is larger than the sum of its proper divisors (41468869).

157442874587 is an equidigital number, since it uses as much as digits as its factorization.

157442874587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41468868.

The product of its digits is 70246400, while the sum is 62.

The spelling of 157442874587 in words is "one hundred fifty-seven billion, four hundred forty-two million, eight hundred seventy-four thousand, five hundred eighty-seven".