9231451140 has 24 divisors (see below), whose sum is σ = 25848063360. Its totient is φ = 2461720288.

The previous prime is 9231451139. The next prime is 9231451153. The reversal of 9231451140 is 411541329.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 9231451098 and 9231451107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76928700 + ... + 76928819.

It is an arithmetic number, because the mean of its divisors is an integer number (1077002640).

Almost surely, 2^9231451140 is an apocalyptic number.

It is an amenable number.

9231451140 is an abundant number, since it is smaller than the sum of its proper divisors (16616612220).

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

9231451140 is a wasteful number, since it uses less digits than its factorization.

9231451140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153857531 (or 153857529 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 9231451140 is about 96080.4409856658. The cubic root of 9231451140 is about 2097.7641464261.

Adding to 9231451140 its reverse (411541329), we get a palindrome (9642992469).

The spelling of 9231451140 in words is "nine billion, two hundred thirty-one million, four hundred fifty-one thousand, one hundred forty".