103568144 has 10 divisors (see below), whose sum is σ = 200663310. Its totient is φ = 51784064.

The previous prime is 103568141. The next prime is 103568159. The reversal of 103568144 is 441865301.

It can be written as a sum of positive squares in only one way, i.e., 82591744 + 20976400 = 9088^2 + 4580^2 .

It is a super-3 number, since 3×103568144³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103568144.

It is not an unprimeable number, because it can be changed into a prime (103568141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3236489 + ... + 3236520.

It is an arithmetic number, because the mean of its divisors is an integer number (20066331).

Almost surely, 2^103568144 is an apocalyptic number.

It is an amenable number.

103568144 is a deficient number, since it is larger than the sum of its proper divisors (97095166).

103568144 is an equidigital number, since it uses as much as digits as its factorization.

103568144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473017 (or 6473011 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 103568144 is about 10176.8435184983. The cubic root of 103568144 is about 469.6151126937.

The spelling of 103568144 in words is "one hundred three million, five hundred sixty-eight thousand, one hundred forty-four".