1023144144 has 160 divisors (see below), whose sum is σ = 3032377344. Its totient is φ = 294243840.

The previous prime is 1023144127. The next prime is 1023144163. The reversal of 1023144144 is 4414413201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2100669 + ... + 2101155.

Almost surely, 2^1023144144 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 1023144144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516188672).

1023144144 is an abundant number, since it is smaller than the sum of its proper divisors (2009233200).

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

1023144144 is a wasteful number, since it uses less digits than its factorization.

1023144144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1023144144 is about 31986.6244546060. The cubic root of 1023144144 is about 1007.6559514925.

Adding to 1023144144 its reverse (4414413201), we get a palindrome (5437557345).

The spelling of 1023144144 in words is "one billion, twenty-three million, one hundred forty-four thousand, one hundred forty-four".