157163543 has 4 divisors (see below), whose sum is σ = 157479000. Its totient is φ = 156848088.

The previous prime is 157163527. The next prime is 157163569. The reversal of 157163543 is 345361751.

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 157163543 - 2⁴ = 157163527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157163593) 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, 156980 + ... + 157977.

It is an arithmetic number, because the mean of its divisors is an integer number (39369750).

Almost surely, 2^157163543 is an apocalyptic number.

157163543 is a deficient number, since it is larger than the sum of its proper divisors (315457).

157163543 is an equidigital number, since it uses as much as digits as its factorization.

157163543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315456.

The product of its digits is 37800, while the sum is 35.

The square root of 157163543 is about 12536.4884636807. The cubic root of 157163543 is about 539.6563233842.

The spelling of 157163543 in words is "one hundred fifty-seven million, one hundred sixty-three thousand, five hundred forty-three".