103144440102 has 96 divisors (see below), whose sum is σ = 249092081280. Its totient is φ = 28138133760.

The previous prime is 103144440097. The next prime is 103144440109. The reversal of 103144440102 is 201044441301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103144440109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 506649 + ... + 680427.

It is an arithmetic number, because the mean of its divisors is an integer number (2594709180).

Almost surely, 2^103144440102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103144440102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124546040640).

103144440102 is an abundant number, since it is smaller than the sum of its proper divisors (145947641178).

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

103144440102 is a wasteful number, since it uses less digits than its factorization.

103144440102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173858 (or 173835 counting only the distinct ones).

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

Adding to 103144440102 its reverse (201044441301), we get a palindrome (304188881403).

The spelling of 103144440102 in words is "one hundred three billion, one hundred forty-four million, four hundred forty thousand, one hundred two".