157293572143 has 4 divisors (see below), whose sum is σ = 157799339568. Its totient is φ = 156787804720.

The previous prime is 157293572129. The next prime is 157293572153. The reversal of 157293572143 is 341275392751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157293572143 is a prime.

It is a super-2 number, since 2×157293572143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157293572153) 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, 252883246 + ... + 252883867.

It is an arithmetic number, because the mean of its divisors is an integer number (39449834892).

Almost surely, 2^157293572143 is an apocalyptic number.

157293572143 is a deficient number, since it is larger than the sum of its proper divisors (505767425).

157293572143 is an equidigital number, since it uses as much as digits as its factorization.

157293572143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505767424.

The product of its digits is 1587600, while the sum is 49.

The spelling of 157293572143 in words is "one hundred fifty-seven billion, two hundred ninety-three million, five hundred seventy-two thousand, one hundred forty-three".