255215142 has 48 divisors (see below), whose sum is σ = 680578080. Its totient is φ = 67309056.

The previous prime is 255215141. The next prime is 255215143. The reversal of 255215142 is 241512552.

255215142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255215141) and next prime (255215143).

It is a super-3 number, since 3×255215142³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255215141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76267 + ... + 79542.

It is an arithmetic number, because the mean of its divisors is an integer number (14178710).

Almost surely, 2^255215142 is an apocalyptic number.

255215142 is an abundant number, since it is smaller than the sum of its proper divisors (425362938).

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

255215142 is a wasteful number, since it uses less digits than its factorization.

255215142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155837 (or 155834 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 255215142 is about 15975.4543597358. The cubic root of 255215142 is about 634.3108583810.

Adding to 255215142 its reverse (241512552), we get a palindrome (496727694).

The spelling of 255215142 in words is "two hundred fifty-five million, two hundred fifteen thousand, one hundred forty-two".