143985552 has 40 divisors (see below), whose sum is σ = 373368960. Its totient is φ = 47813760.

The previous prime is 143985503. The next prime is 143985557. The reversal of 143985552 is 255589341.

It is not an unprimeable number, because it can be changed into a prime (143985557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7474 + ... + 18542.

It is an arithmetic number, because the mean of its divisors is an integer number (9334224).

Almost surely, 2^143985552 is an apocalyptic number.

143985552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143985552 is an abundant number, since it is smaller than the sum of its proper divisors (229383408).

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

143985552 is a wasteful number, since it uses less digits than its factorization.

143985552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351 (or 11345 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The square root of 143985552 is about 11999.3979848991. The cubic root of 143985552 is about 524.1307484075.

The spelling of 143985552 in words is "one hundred forty-three million, nine hundred eighty-five thousand, five hundred fifty-two".