157943722293 has 24 divisors (see below), whose sum is σ = 260970285888. Its totient is φ = 90171243072.

The previous prime is 157943722267. The next prime is 157943722319. The reversal of 157943722293 is 392227349751.

157943722293 is a `hidden beast` number, since 1 + 579 + 43 + 7 + 2 + 2 + 29 + 3 = 666.

157943722293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157943722267) and next prime (157943722319).

It is not a de Polignac number, because 157943722293 - 2¹² = 157943718197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157943722093) 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 23 ways as a sum of consecutive naturals, for example, 1073571 + ... + 1211792.

It is an arithmetic number, because the mean of its divisors is an integer number (10873761912).

Almost surely, 2^157943722293 is an apocalyptic number.

It is an amenable number.

157943722293 is a deficient number, since it is larger than the sum of its proper divisors (103026563595).

157943722293 is a wasteful number, since it uses less digits than its factorization.

157943722293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286473 (or 2286470 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The spelling of 157943722293 in words is "one hundred fifty-seven billion, nine hundred forty-three million, seven hundred twenty-two thousand, two hundred ninety-three".