231125454 has 96 divisors (see below), whose sum is σ = 603534240. Its totient is φ = 65366784.

The previous prime is 231125423. The next prime is 231125483. The reversal of 231125454 is 454521132.

231125454 is a `hidden beast` number, since 2 + 3 + 112 + 545 + 4 = 666.

It is a super-2 number, since 2×231125454² = 106837950973412232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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, 298612 + ... + 299384.

It is an arithmetic number, because the mean of its divisors is an integer number (6286815).

Almost surely, 2^231125454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231125454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301767120).

231125454 is an abundant number, since it is smaller than the sum of its proper divisors (372408786).

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

231125454 is a wasteful number, since it uses less digits than its factorization.

231125454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 898 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 231125454 is about 15202.8107269676. The cubic root of 231125454 is about 613.6903003005.

Adding to 231125454 its reverse (454521132), we get a palindrome (685646586).

The spelling of 231125454 in words is "two hundred thirty-one million, one hundred twenty-five thousand, four hundred fifty-four".