143255216 has 60 divisors (see below), whose sum is σ = 310426560. Its totient is φ = 63947520.

The previous prime is 143255213. The next prime is 143255219. The reversal of 143255216 is 612552341.

It is an interprime number because it is at equal distance from previous prime (143255213) and next prime (143255219).

It is a super-2 number, since 2×143255216² = 41044113822413312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143255213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82970 + ... + 84678.

It is an arithmetic number, because the mean of its divisors is an integer number (5173776).

Almost surely, 2^143255216 is an apocalyptic number.

143255216 is a gapful number since it is divisible by the number (16) 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 143255216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155213280).

143255216 is an abundant number, since it is smaller than the sum of its proper divisors (167171344).

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

143255216 is a wasteful number, since it uses less digits than its factorization.

143255216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1755 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 143255216 is about 11968.9271031283. The cubic root of 143255216 is about 523.2430653762.

It can be divided in two parts, 14325 and 5216, that multiplied together give a triangular number (74719200 = T₁₂₂₂₄).

The spelling of 143255216 in words is "one hundred forty-three million, two hundred fifty-five thousand, two hundred sixteen".