103236144 has 80 divisors (see below), whose sum is σ = 303623424. Its totient is φ = 29920000.

The previous prime is 103236131. The next prime is 103236149. The reversal of 103236144 is 441632301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (103236149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7894 + ... + 16394.

Almost surely, 2^103236144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103236144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151811712).

103236144 is an abundant number, since it is smaller than the sum of its proper divisors (200387280).

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

103236144 is a wasteful number, since it uses less digits than its factorization.

103236144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546 (or 8540 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 103236144 is about 10160.5188843877. The cubic root of 103236144 is about 469.1127731805.

Adding to 103236144 its reverse (441632301), we get a palindrome (544868445).

The spelling of 103236144 in words is "one hundred three million, two hundred thirty-six thousand, one hundred forty-four".