143870400 has 252 divisors, whose sum is σ = 521636752. Its totient is φ = 37601280.

The previous prime is 143870387. The next prime is 143870401. The reversal of 143870400 is 4078341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143870401) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1396749 + ... + 1396851.

Almost surely, 2^143870400 is an apocalyptic number.

143870400 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 143870400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260818376).

143870400 is an abundant number, since it is smaller than the sum of its proper divisors (377766352).

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

143870400 is a wasteful number, since it uses less digits than its factorization.

143870400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 143870400 is about 11994.5987844529. The cubic root of 143870400 is about 523.9909871612.

The spelling of 143870400 in words is "one hundred forty-three million, eight hundred seventy thousand, four hundred".