143055552 has 56 divisors (see below), whose sum is σ = 379813312. Its totient is φ = 47520000.

The previous prime is 143055509. The next prime is 143055569. The reversal of 143055552 is 255550341.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62427 + ... + 64677.

Almost surely, 2^143055552 is an apocalyptic number.

143055552 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 143055552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189906656).

143055552 is an abundant number, since it is smaller than the sum of its proper divisors (236757760).

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

143055552 is a wasteful number, since it uses less digits than its factorization.

143055552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597 (or 2587 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 143055552 is about 11960.5832633697. The cubic root of 143055552 is about 522.9998598564. Note that the first 3 decimals are identical.

The spelling of 143055552 in words is "one hundred forty-three million, fifty-five thousand, five hundred fifty-two".