143445355 has 4 divisors (see below), whose sum is σ = 172134432. Its totient is φ = 114756280.

The previous prime is 143445349. The next prime is 143445403. The reversal of 143445355 is 553544341.

143445355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553544341 = 7 ⋅79077763.

It is not a de Polignac number, because 143445355 - 2¹⁵ = 143412587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143445355.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14344531 + ... + 14344540.

It is an arithmetic number, because the mean of its divisors is an integer number (43033608).

Almost surely, 2^143445355 is an apocalyptic number.

143445355 is a deficient number, since it is larger than the sum of its proper divisors (28689077).

143445355 is an equidigital number, since it uses as much as digits as its factorization.

143445355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28689076.

The product of its digits is 72000, while the sum is 34.

The square root of 143445355 is about 11976.8674953011. The cubic root of 143445355 is about 523.4744587641.

Adding to 143445355 its reverse (553544341), we get a palindrome (696989696).

The spelling of 143445355 in words is "one hundred forty-three million, four hundred forty-five thousand, three hundred fifty-five".