157326322243 has 8 divisors (see below), whose sum is σ = 163397697536. Its totient is φ = 151317217800.

The previous prime is 157326322213. The next prime is 157326322249. The reversal of 157326322243 is 342223623751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157326322243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157326322196 and 157326322205.

It is not an unprimeable number, because it can be changed into a prime (157326322249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15562563 + ... + 15572668.

It is an arithmetic number, because the mean of its divisors is an integer number (20424712192).

Almost surely, 2^157326322243 is an apocalyptic number.

157326322243 is a deficient number, since it is larger than the sum of its proper divisors (6071375293).

157326322243 is a wasteful number, since it uses less digits than its factorization.

157326322243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31135425.

The product of its digits is 362880, while the sum is 40.

Adding to 157326322243 its reverse (342223623751), we get a palindrome (499549945994).

The spelling of 157326322243 in words is "one hundred fifty-seven billion, three hundred twenty-six million, three hundred twenty-two thousand, two hundred forty-three".