230451540 has 96 divisors (see below), whose sum is σ = 723026304. Its totient is φ = 54351360.

The previous prime is 230451539. The next prime is 230451563. The reversal of 230451540 is 45154032.

It is a self number, because there is not a number n which added to its sum of digits gives 230451540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19702 + ... + 29138.

It is an arithmetic number, because the mean of its divisors is an integer number (7531524).

Almost surely, 2^230451540 is an apocalyptic number.

230451540 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 230451540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361513152).

230451540 is an abundant number, since it is smaller than the sum of its proper divisors (492574764).

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

230451540 is a wasteful number, since it uses less digits than its factorization.

230451540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9497 (or 9495 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 230451540 is about 15180.6304216920. The cubic root of 230451540 is about 613.0932549929.

The spelling of 230451540 in words is "two hundred thirty million, four hundred fifty-one thousand, five hundred forty".