143420345 has 8 divisors (see below), whose sum is σ = 172217664. Its totient is φ = 114660784.

The previous prime is 143420323. The next prime is 143420357. The reversal of 143420345 is 543024341.

143420345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143420345 - 2¹² = 143416249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269 + ... + 16938.

It is an arithmetic number, because the mean of its divisors is an integer number (21527208).

Almost surely, 2^143420345 is an apocalyptic number.

It is an amenable number.

143420345 is a deficient number, since it is larger than the sum of its proper divisors (28797319).

143420345 is a wasteful number, since it uses less digits than its factorization.

143420345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18879.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 143420345 is about 11975.8233537407. The cubic root of 143420345 is about 523.4440340374. Note that the first 3 decimals are identical.

Adding to 143420345 its reverse (543024341), we get a palindrome (686444686).

The spelling of 143420345 in words is "one hundred forty-three million, four hundred twenty thousand, three hundred forty-five".