It is a happy number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
Almost surely, 21040143445 is an apocalyptic number.
It is an amenable number.
1040143445 is a wasteful number, since it uses less digits than its factorization.
1040143445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5885.
The square root of 1040143445 is about 32251.2549368238. The cubic root of 1040143445 is about 1013.2059826565.
Adding to 1040143445 its reverse (5443410401), we get a palindrome (6483553846).
The spelling of 1040143445 in words is "one billion, forty million, one hundred forty-three thousand, four hundred forty-five".