151843 has 4 divisors (see below), whose sum is σ = 152640. Its totient is φ = 151048.

The previous prime is 151841. The next prime is 151847. The reversal of 151843 is 348151.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 348151 = 23 ⋅15137.

It is a cyclic number.

It is not a de Polignac number, because 151843 - 2¹ = 151841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151841) 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, 78 + ... + 556.

It is an arithmetic number, because the mean of its divisors is an integer number (38160).

2¹⁵¹⁸⁴³ is an apocalyptic number.

151843 is a deficient number, since it is larger than the sum of its proper divisors (797).

151843 is an equidigital number, since it uses as much as digits as its factorization.

151843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796.

The product of its digits is 480, while the sum is 22.

The square root of 151843 is about 389.6703735210. The cubic root of 151843 is about 53.3496521244.

Adding to 151843 its reverse (348151), we get a palindrome (499994).

The spelling of 151843 in words is "one hundred fifty-one thousand, eight hundred forty-three".