157343 has 4 divisors (see below), whose sum is σ = 164208. Its totient is φ = 150480.

The previous prime is 157327. The next prime is 157349. The reversal of 157343 is 343751.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343751 = 173 ⋅1987.

It is a cyclic number.

It is not a de Polignac number, because 157343 - 2⁴ = 157327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 6841 = 157343 / (1 + 5 + 7 + 3 + 4 + 3).

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3398 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (41052).

2¹⁵⁷³⁴³ is an apocalyptic number.

157343 is a deficient number, since it is larger than the sum of its proper divisors (6865).

157343 is an equidigital number, since it uses as much as digits as its factorization.

157343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864.

The product of its digits is 1260, while the sum is 23.

The square root of 157343 is about 396.6648459342. The cubic root of 157343 is about 53.9861647226.

The spelling of 157343 in words is "one hundred fifty-seven thousand, three hundred forty-three".