103032144 has 60 divisors (see below), whose sum is σ = 289798912. Its totient is φ = 34171200.

The previous prime is 103032143. The next prime is 103032187. The reversal of 103032144 is 441230301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103032143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28689 + ... + 32079.

Almost surely, 2^103032144 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 103032144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144899456).

103032144 is an abundant number, since it is smaller than the sum of its proper divisors (186766768).

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

103032144 is a wasteful number, since it uses less digits than its factorization.

103032144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616 (or 3607 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 103032144 is about 10150.4750627742. The cubic root of 103032144 is about 468.8035723304.

Adding to 103032144 its reverse (441230301), we get a palindrome (544262445).

The spelling of 103032144 in words is "one hundred three million, thirty-two thousand, one hundred forty-four".