103403144 has 32 divisors (see below), whose sum is σ = 209223000. Its totient is φ = 47626752.

The previous prime is 103403141. The next prime is 103403161. The reversal of 103403144 is 441304301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 103266244 + 136900 = 10162^2 + 370^2 .

It is not an unprimeable number, because it can be changed into a prime (103403141) 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, 83522 + ... + 84750.

Almost surely, 2^103403144 is an apocalyptic number.

It is an amenable number.

103403144 is an abundant number, since it is smaller than the sum of its proper divisors (105819856).

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

103403144 is a wasteful number, since it uses less digits than its factorization.

103403144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 103403144 is about 10168.7336478049. The cubic root of 103403144 is about 469.3655904102.

Adding to 103403144 its reverse (441304301), we get a palindrome (544707445).

The spelling of 103403144 in words is "one hundred three million, four hundred three thousand, one hundred forty-four".