143412930 has 80 divisors (see below), whose sum is σ = 389661624. Its totient is φ = 37843200.

The previous prime is 143412911. The next prime is 143412943. The reversal of 143412930 is 39214341.

It can be written as a sum of positive squares in 4 ways, for example, as 112975641 + 30437289 = 10629^2 + 5517^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 143412894 and 143412903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 80934 + ... + 82686.

Almost surely, 2^143412930 is an apocalyptic number.

143412930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143412930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194830812).

143412930 is an abundant number, since it is smaller than the sum of its proper divisors (246248694).

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

143412930 is a wasteful number, since it uses less digits than its factorization.

143412930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 143412930 is about 11975.5137676845. The cubic root of 143412930 is about 523.4350129918.

It can be divided in two parts, 14341 and 2930, that added together give a palindrome (17271).

The spelling of 143412930 in words is "one hundred forty-three million, four hundred twelve thousand, nine hundred thirty".