108451840 has 192 divisors, whose sum is σ = 318427200. Its totient is φ = 34603008.

The previous prime is 108451807. The next prime is 108451841. The reversal of 108451840 is 48154801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108451841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218516 + ... + 1218604.

It is an arithmetic number, because the mean of its divisors is an integer number (1658475).

Almost surely, 2^108451840 is an apocalyptic number.

108451840 is a gapful number since it is divisible by the number (10) 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 108451840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159213600).

108451840 is an abundant number, since it is smaller than the sum of its proper divisors (209975360).

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

108451840 is an equidigital number, since it uses as much as digits as its factorization.

108451840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 108451840 is about 10414.0213174355. The cubic root of 108451840 is about 476.8835131406.

The spelling of 108451840 in words is "one hundred eight million, four hundred fifty-one thousand, eight hundred forty".