143132550 has 96 divisors (see below), whose sum is σ = 389975040. Its totient is φ = 34454400.

The previous prime is 143132543. The next prime is 143132581. The reversal of 143132550 is 55231341.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 143132550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 367756 + ... + 368144.

It is an arithmetic number, because the mean of its divisors is an integer number (4062240).

Almost surely, 2^143132550 is an apocalyptic number.

143132550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143132550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194987520).

143132550 is an abundant number, since it is smaller than the sum of its proper divisors (246842490).

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

143132550 is a wasteful number, since it uses less digits than its factorization.

143132550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 633 counting only the distinct ones).

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

The square root of 143132550 is about 11963.8016533207. The cubic root of 143132550 is about 523.0936759063.

Adding to 143132550 its reverse (55231341), we get a palindrome (198363891).

The spelling of 143132550 in words is "one hundred forty-three million, one hundred thirty-two thousand, five hundred fifty".