143340445 has 8 divisors (see below), whose sum is σ = 172082520. Its totient is φ = 114623040.

The previous prime is 143340437. The next prime is 143340467. The reversal of 143340445 is 544043341.

143340445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20994724 + 122345721 = 4582^2 + 11061^2 .

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

It is not a de Polignac number, because 143340445 - 2³ = 143340437 is a prime.

It is a congruent 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, 10935 + ... + 20155.

It is an arithmetic number, because the mean of its divisors is an integer number (21510315).

Almost surely, 2^143340445 is an apocalyptic number.

It is an amenable number.

143340445 is a deficient number, since it is larger than the sum of its proper divisors (28742075).

143340445 is an equidigital number, since it uses as much as digits as its factorization.

143340445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12335.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 143340445 is about 11972.4870014546. The cubic root of 143340445 is about 523.3468117841.

Adding to 143340445 its reverse (544043341), we get a palindrome (687383786).

The spelling of 143340445 in words is "one hundred forty-three million, three hundred forty thousand, four hundred forty-five".