157193 has 4 divisors (see below), whose sum is σ = 158208. Its totient is φ = 156180.

The previous prime is 157189. The next prime is 157207. The reversal of 157193 is 391751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 157193 - 2² = 157189 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 157193.

It is not an unprimeable number, because it can be changed into a prime (157103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (39552).

2¹⁵⁷¹⁹³ is an apocalyptic number.

It is an amenable number.

157193 is a deficient number, since it is larger than the sum of its proper divisors (1015).

157193 is an equidigital number, since it uses as much as digits as its factorization.

157193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014.

The product of its digits is 945, while the sum is 26.

The square root of 157193 is about 396.4757243514. The cubic root of 157193 is about 53.9690037020.

The spelling of 157193 in words is "one hundred fifty-seven thousand, one hundred ninety-three".