157318904459 has 4 divisors (see below), whose sum is σ = 157420467600. Its totient is φ = 157217341320.

The previous prime is 157318904387. The next prime is 157318904473. The reversal of 157318904459 is 954409813751.

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 157318904459 - 2²⁴ = 157302127243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157318904059) 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, 50779247 + ... + 50782344.

It is an arithmetic number, because the mean of its divisors is an integer number (39355116900).

Almost surely, 2^157318904459 is an apocalyptic number.

157318904459 is a deficient number, since it is larger than the sum of its proper divisors (101563141).

157318904459 is a wasteful number, since it uses less digits than its factorization.

157318904459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101563140.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 157318904459 in words is "one hundred fifty-seven billion, three hundred eighteen million, nine hundred four thousand, four hundred fifty-nine".