143420430 has 16 divisors (see below), whose sum is σ = 344209104. Its totient is φ = 38245440.

The previous prime is 143420429. The next prime is 143420447. The reversal of 143420430 is 34024341.

It is a junction number, because it is equal to n+sod(n) for n = 143420397 and 143420406.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2390311 + ... + 2390370.

It is an arithmetic number, because the mean of its divisors is an integer number (21513069).

Almost surely, 2^143420430 is an apocalyptic number.

143420430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143420430 is an abundant number, since it is smaller than the sum of its proper divisors (200788674).

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

143420430 is a wasteful number, since it uses less digits than its factorization.

143420430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780691.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 143420430 is about 11975.8269025567. The cubic root of 143420430 is about 523.4441374461. Note that the first 3 decimals are identical.

Adding to 143420430 its reverse (34024341), we get a palindrome (177444771).

The spelling of 143420430 in words is "one hundred forty-three million, four hundred twenty thousand, four hundred thirty".