255243132 has 18 divisors (see below), whose sum is σ = 645198008. Its totient is φ = 85081032.

The previous prime is 255243101. The next prime is 255243139. The reversal of 255243132 is 231342552.

It is a happy number.

255243132 is a `hidden beast` number, since 2 + 5 + 524 + 3 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 255243096 and 255243105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255243139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3545008 + ... + 3545079.

Almost surely, 2^255243132 is an apocalyptic number.

It is an amenable number.

255243132 is an abundant number, since it is smaller than the sum of its proper divisors (389954876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255243132 is a wasteful number, since it uses less digits than its factorization.

255243132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090097 (or 7090092 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 255243132 is about 15976.3303671400. The cubic root of 255243132 is about 634.3340462840.

Adding to 255243132 its reverse (231342552), we get a palindrome (486585684).

The spelling of 255243132 in words is "two hundred fifty-five million, two hundred forty-three thousand, one hundred thirty-two".