109143630 has 48 divisors (see below), whose sum is σ = 286606944. Its totient is φ = 28814400.

The previous prime is 109143613. The next prime is 109143631. The reversal of 109143630 is 36341901.

109143630 is a `hidden beast` number, since 10 + 9 + 14 + 3 + 630 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 109143594 and 109143603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109143631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3087 + ... + 15093.

It is an arithmetic number, because the mean of its divisors is an integer number (5970978).

Almost surely, 2^109143630 is an apocalyptic number.

109143630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109143630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143303472).

109143630 is an abundant number, since it is smaller than the sum of its proper divisors (177463314).

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

109143630 is a wasteful number, since it uses less digits than its factorization.

109143630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12121 (or 12118 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 109143630 is about 10447.1828738660. The cubic root of 109143630 is about 477.8953424810.

The spelling of 109143630 in words is "one hundred nine million, one hundred forty-three thousand, six hundred thirty".