255243102 has 8 divisors (see below), whose sum is σ = 510486216. Its totient is φ = 85081032.

The previous prime is 255243101. The next prime is 255243139. The reversal of 255243102 is 201342552.

It is a sphenic number, since it is the product of 3 distinct primes.

255243102 is an admirable number.

It is a super-2 number, since 2×255243102² = 130298082237164808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255243101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21270253 + ... + 21270264.

It is an arithmetic number, because the mean of its divisors is an integer number (63810777).

Almost surely, 2^255243102 is an apocalyptic number.

255243102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255243102 is a wasteful number, since it uses less digits than its factorization.

255243102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42540522.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 255243102 is about 15976.3294282510. The cubic root of 255243102 is about 634.3340214319.

Adding to 255243102 its reverse (201342552), we get a palindrome (456585654).

It can be divided in two parts, 2552 and 43102, that added together give a palindrome (45654).

The spelling of 255243102 in words is "two hundred fifty-five million, two hundred forty-three thousand, one hundred two".