143486820 has 108 divisors (see below), whose sum is σ = 444678780. Its totient is φ = 37450368.

The previous prime is 143486807. The next prime is 143486843. The reversal of 143486820 is 28684341.

143486820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 98247744 + 45239076 = 9912^2 + 6726^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 626466 + ... + 626694.

Almost surely, 2^143486820 is an apocalyptic number.

143486820 is a gapful number since it is divisible by the number (10) 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 143486820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222339390).

143486820 is an abundant number, since it is smaller than the sum of its proper divisors (301191960).

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

143486820 is a wasteful number, since it uses less digits than its factorization.

143486820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 143486820 is about 11978.5984155076. The cubic root of 143486820 is about 523.5248932479.

The spelling of 143486820 in words is "one hundred forty-three million, four hundred eighty-six thousand, eight hundred twenty".