143161620 has 96 divisors (see below), whose sum is σ = 468830208. Its totient is φ = 31957632.

The previous prime is 143161597. The next prime is 143161703. The reversal of 143161620 is 26161341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14097 + ... + 22023.

It is an arithmetic number, because the mean of its divisors is an integer number (4883648).

Almost surely, 2^143161620 is an apocalyptic number.

143161620 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 143161620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234415104).

143161620 is an abundant number, since it is smaller than the sum of its proper divisors (325668588).

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

143161620 is a wasteful number, since it uses less digits than its factorization.

143161620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7989 (or 7987 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 143161620 is about 11965.0165064658. The cubic root of 143161620 is about 523.1290866819.

The spelling of 143161620 in words is "one hundred forty-three million, one hundred sixty-one thousand, six hundred twenty".