143870000 has 50 divisors (see below), whose sum is σ = 348347868. Its totient is φ = 57544000.

The previous prime is 143869993. The next prime is 143870003. The reversal of 143870000 is 78341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (50).

It is not an unprimeable number, because it can be changed into a prime (143870003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2807 + ... + 17193.

Almost surely, 2^143870000 is an apocalyptic number.

143870000 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 143870000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174173934).

143870000 is an abundant number, since it is smaller than the sum of its proper divisors (204477868).

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

143870000 is an equidigital number, since it uses as much as digits as its factorization.

143870000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14415 (or 14394 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 143870000 is about 11994.5821102696. The cubic root of 143870000 is about 523.9905015468.

The spelling of 143870000 in words is "one hundred forty-three million, eight hundred seventy thousand".