109698144 has 48 divisors (see below), whose sum is σ = 304900848. Its totient is φ = 34414592.

The previous prime is 109698143. The next prime is 109698163. The reversal of 109698144 is 441896901.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 109698096 and 109698105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109698143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31977 + ... + 35240.

It is an arithmetic number, because the mean of its divisors is an integer number (6352101).

Almost surely, 2^109698144 is an apocalyptic number.

It is an amenable number.

109698144 is an abundant number, since it is smaller than the sum of its proper divisors (195202704).

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

109698144 is a wasteful number, since it uses less digits than its factorization.

109698144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67247 (or 67239 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 109698144 is about 10473.6881756142. The cubic root of 109698144 is about 478.7033057600.

The spelling of 109698144 in words is "one hundred nine million, six hundred ninety-eight thousand, one hundred forty-four".