143000000 has 196 divisors, whose sum is σ = 416713416. Its totient is φ = 48000000.

The previous prime is 142999979. The next prime is 143000017. The reversal of 143000000 is 341.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10999994 + ... + 11000006.

Almost surely, 2^143000000 is an apocalyptic number.

143000000 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 143000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208356708).

143000000 is an abundant number, since it is smaller than the sum of its proper divisors (273713416).

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

143000000 is an frugal number, since it uses more digits than its factorization.

143000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 143000000 is about 11958.2607431014. The cubic root of 143000000 is about 522.9321531756.

Adding to 143000000 its reverse (341), we get a palindrome (143000341).

The spelling of 143000000 in words is "one hundred forty-three million", and thus it is an aban number.