151243 has 2 divisors, whose sum is σ = 151244. Its totient is φ = 151242.

The previous prime is 151241. The next prime is 151247. The reversal of 151243 is 342151.

151243 is nontrivially palindromic in base 12.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151243 - 2¹ = 151241 is a prime.

Together with 151241, it forms a pair of twin primes.

151243 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (151241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75621 + 75622.

It is an arithmetic number, because the mean of its divisors is an integer number (75622).

2¹⁵¹²⁴³ is an apocalyptic number.

151243 is a deficient number, since it is larger than the sum of its proper divisors (1).

151243 is an equidigital number, since it uses as much as digits as its factorization.

151243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 16.

The square root of 151243 is about 388.8997300076. The cubic root of 151243 is about 53.2792898735.

Adding to 151243 its reverse (342151), we get a palindrome (493394).

The spelling of 151243 in words is "one hundred fifty-one thousand, two hundred forty-three".