143979066 has 128 divisors (see below), whose sum is σ = 412139520. Its totient is φ = 36158400.

The previous prime is 143979037. The next prime is 143979067. The reversal of 143979066 is 660979341.

It is not an unprimeable number, because it can be changed into a prime (143979067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128340 + ... + 129456.

It is an arithmetic number, because the mean of its divisors is an integer number (3219840).

Almost surely, 2^143979066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143979066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206069760).

143979066 is an abundant number, since it is smaller than the sum of its proper divisors (268160454).

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

143979066 is a wasteful number, since it uses less digits than its factorization.

143979066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 143979066 is about 11999.1277182969. The cubic root of 143979066 is about 524.1228782589.

The spelling of 143979066 in words is "one hundred forty-three million, nine hundred seventy-nine thousand, sixty-six".