143149800 has 192 divisors, whose sum is σ = 484344000. Its totient is φ = 34836480.

The previous prime is 143149777. The next prime is 143149801. The reversal of 143149800 is 8941341.

It is a happy number.

143149800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143149801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330384 + ... + 330816.

It is an arithmetic number, because the mean of its divisors is an integer number (2522625).

Almost surely, 2^143149800 is an apocalyptic number.

143149800 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 143149800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242172000).

143149800 is an abundant number, since it is smaller than the sum of its proper divisors (341194200).

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

143149800 is a wasteful number, since it uses less digits than its factorization.

143149800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 143149800 is about 11964.5225562912. The cubic root of 143149800 is about 523.1146890708.

The spelling of 143149800 in words is "one hundred forty-three million, one hundred forty-nine thousand, eight hundred".