143055550 has 48 divisors (see below), whose sum is σ = 300315600. Its totient is φ = 50220800.

The previous prime is 143055509. The next prime is 143055569. The reversal of 143055550 is 55550341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11466 + ... + 20434.

It is an arithmetic number, because the mean of its divisors is an integer number (6256575).

Almost surely, 2^143055550 is an apocalyptic number.

143055550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143055550 is an abundant number, since it is smaller than the sum of its proper divisors (157260050).

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

143055550 is a wasteful number, since it uses less digits than its factorization.

143055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9021 (or 9016 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 143055550 is about 11960.5831797618. The cubic root of 143055550 is about 522.9998574191. Note that the first 3 decimals are identical.

The spelling of 143055550 in words is "one hundred forty-three million, fifty-five thousand, five hundred fifty".