143761968 has 120 divisors (see below), whose sum is σ = 463843328. Its totient is φ = 40715136.

The previous prime is 143761931. The next prime is 143761987. The reversal of 143761968 is 869167341.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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, 127455 + ... + 128577.

Almost surely, 2^143761968 is an apocalyptic number.

143761968 is a gapful number since it is divisible by the number (18) 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 143761968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231921664).

143761968 is an abundant number, since it is smaller than the sum of its proper divisors (320081360).

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

143761968 is a wasteful number, since it uses less digits than its factorization.

143761968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1262 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 143761968 is about 11990.0778979955. The cubic root of 143761968 is about 523.8593138619.

The spelling of 143761968 in words is "one hundred forty-three million, seven hundred sixty-one thousand, nine hundred sixty-eight".