255145500 has 216 divisors, whose sum is σ = 845797680. Its totient is φ = 64728000.

The previous prime is 255145487. The next prime is 255145511. The reversal of 255145500 is 5541552.

255145500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4324471 + ... + 4324529.

It is an arithmetic number, because the mean of its divisors is an integer number (3915730).

Almost surely, 2^255145500 is an apocalyptic number.

255145500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255145500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422898840).

255145500 is an abundant number, since it is smaller than the sum of its proper divisors (590652180).

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

255145500 is a wasteful number, since it uses less digits than its factorization.

255145500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 255145500 is about 15973.2745547054. The cubic root of 255145500 is about 634.2531571344.

The spelling of 255145500 in words is "two hundred fifty-five million, one hundred forty-five thousand, five hundred".