255191454 has 96 divisors (see below), whose sum is σ = 675829440. Its totient is φ = 67931136.

The previous prime is 255191441. The next prime is 255191467. The reversal of 255191454 is 454191552.

255191454 is digitally balanced in base 3, 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 (255191441) and next prime (255191467).

It is a super-4 number, since 4×255191454⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232932 + ... + 234024.

It is an arithmetic number, because the mean of its divisors is an integer number (7039890).

Almost surely, 2^255191454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255191454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337914720).

255191454 is an abundant number, since it is smaller than the sum of its proper divisors (420637986).

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

255191454 is a wasteful number, since it uses less digits than its factorization.

255191454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1231 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 255191454 is about 15974.7129551676. The cubic root of 255191454 is about 634.2912330818.

The spelling of 255191454 in words is "two hundred fifty-five million, one hundred ninety-one thousand, four hundred fifty-four".