103143011440 has 160 divisors (see below), whose sum is σ = 281124328320. Its totient is φ = 34463232000.

The previous prime is 103143011437. The next prime is 103143011479. The reversal of 103143011440 is 44110341301.

It is a happy number.

It is a super-3 number, since 3×103143011440³ (a number of 34 digits) contains 333 as substring.

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, 3709590 + ... + 3737290.

It is an arithmetic number, because the mean of its divisors is an integer number (1757027052).

Almost surely, 2^103143011440 is an apocalyptic number.

103143011440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103143011440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140562164160).

103143011440 is an abundant number, since it is smaller than the sum of its proper divisors (177981316880).

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

103143011440 is a wasteful number, since it uses less digits than its factorization.

103143011440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27891 (or 27885 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 103143011440 its reverse (44110341301), we get a palindrome (147253352741).

The spelling of 103143011440 in words is "one hundred three billion, one hundred forty-three million, eleven thousand, four hundred forty".