103143552 has 128 divisors (see below), whose sum is σ = 294086400. Its totient is φ = 31933440.

The previous prime is 103143511. The next prime is 103143553. The reversal of 103143552 is 255341301.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is not an unprimeable number, because it can be changed into a prime (103143553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488727 + ... + 488937.

It is an arithmetic number, because the mean of its divisors is an integer number (2297550).

Almost surely, 2^103143552 is an apocalyptic number.

103143552 is a gapful number since it is divisible by the number (12) 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 103143552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147043200).

103143552 is an abundant number, since it is smaller than the sum of its proper divisors (190942848).

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

103143552 is a wasteful number, since it uses less digits than its factorization.

103143552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 103143552 is about 10155.9614020535. The cubic root of 103143552 is about 468.9724829017.

Adding to 103143552 its reverse (255341301), we get a palindrome (358484853).

The spelling of 103143552 in words is "one hundred three million, one hundred forty-three thousand, five hundred fifty-two".