231452 has 12 divisors (see below), whose sum is σ = 436296. Its totient is φ = 106800.

The previous prime is 231443. The next prime is 231461. The reversal of 231452 is 254132.

It is an interprime number because it is at equal distance from previous prime (231443) and next prime (231461).

It is a super-4 number, since 4×231452⁴ (a number of 23 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231452.

It is a congruent number.

It is an unprimeable number.

231452 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2174 + ... + 2277.

It is an arithmetic number, because the mean of its divisors is an integer number (36358).

2²³¹⁴⁵² is an apocalyptic number.

It is an amenable number.

231452 is a deficient number, since it is larger than the sum of its proper divisors (204844).

231452 is a wasteful number, since it uses less digits than its factorization.

231452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468 (or 4466 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 231452 is about 481.0945852948. The cubic root of 231452 is about 61.3979182097.

Adding to 231452 its reverse (254132), we get a palindrome (485584).

The spelling of 231452 in words is "two hundred thirty-one thousand, four hundred fifty-two".