143374220 has 48 divisors (see below), whose sum is σ = 329984928. Its totient is φ = 51893760.

The previous prime is 143374201. The next prime is 143374229. The reversal of 143374220 is 22473341.

143374220 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 143374220.

It is not an unprimeable number, because it can be changed into a prime (143374229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49862 + ... + 52658.

It is an arithmetic number, because the mean of its divisors is an integer number (6874686).

Almost surely, 2^143374220 is an apocalyptic number.

143374220 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 143374220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164992464).

143374220 is an abundant number, since it is smaller than the sum of its proper divisors (186610708).

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

143374220 is a wasteful number, since it uses less digits than its factorization.

143374220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 143374220 is about 11973.8974440238. The cubic root of 143374220 is about 523.3879135830.

The spelling of 143374220 in words is "one hundred forty-three million, three hundred seventy-four thousand, two hundred twenty".