143430 has 32 divisors (see below), whose sum is σ = 393984. Its totient is φ = 32736.
The previous prime is 143419. The next prime is 143443. The reversal of 143430 is 34341.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an alternating number because its digits alternate between odd and even.
It is a nialpdrome in base 11.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132 + ... + 551.
It is an arithmetic number, because the mean of its divisors is an integer number (12312).
2143430 is an apocalyptic number.
143430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
143430 is an abundant number, since it is smaller than the sum of its proper divisors (250554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143430 is a wasteful number, since it uses less digits than its factorization.
143430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 700.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 143430 is about 378.7215335837. The cubic root of 143430 is about 52.3455779788.
Adding to 143430 its reverse (34341), we get a palindrome (177771).
The spelling of 143430 in words is "one hundred forty-three thousand, four hundred thirty".
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