117445248 has 128 divisors (see below), whose sum is σ = 367200000. Its totient is φ = 36827136.

The previous prime is 117445219. The next prime is 117445253. The reversal of 117445248 is 842544711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57753 + ... + 59751.

It is an arithmetic number, because the mean of its divisors is an integer number (2868750).

Almost surely, 2^117445248 is an apocalyptic number.

117445248 is a gapful number since it is divisible by the number (18) 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 117445248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183600000).

117445248 is an abundant number, since it is smaller than the sum of its proper divisors (249754752).

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

117445248 is a wasteful number, since it uses less digits than its factorization.

117445248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039 (or 2021 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 117445248 is about 10837.2158786286. The cubic root of 117445248 is about 489.7169655187.

Adding to 117445248 its reverse (842544711), we get a palindrome (959989959).

The spelling of 117445248 in words is "one hundred seventeen million, four hundred forty-five thousand, two hundred forty-eight".