143103132 has 48 divisors (see below), whose sum is σ = 372556800. Its totient is φ = 47502000.

The previous prime is 143103119. The next prime is 143103151. The reversal of 143103132 is 231301341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24469 + ... + 29747.

It is an arithmetic number, because the mean of its divisors is an integer number (7761600).

Almost surely, 2^143103132 is an apocalyptic number.

143103132 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 143103132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186278400).

143103132 is an abundant number, since it is smaller than the sum of its proper divisors (229453668).

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

143103132 is a wasteful number, since it uses less digits than its factorization.

143103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543 (or 5535 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 143103132 is about 11962.5721314440. The cubic root of 143103132 is about 523.0578363433.

Adding to 143103132 its reverse (231301341), we get a palindrome (374404473).

The spelling of 143103132 in words is "one hundred forty-three million, one hundred three thousand, one hundred thirty-two".