143313645 has 16 divisors (see below), whose sum is σ = 230978880. Its totient is φ = 75874944.

The previous prime is 143313641. The next prime is 143313661. The reversal of 143313645 is 546313341.

143313645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143313645 - 2² = 143313641 is a prime.

It is a super-3 number, since 3×143313645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143313641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32815 + ... + 36924.

It is an arithmetic number, because the mean of its divisors is an integer number (14436180).

Almost surely, 2^143313645 is an apocalyptic number.

143313645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143313645 is a deficient number, since it is larger than the sum of its proper divisors (87665235).

143313645 is a wasteful number, since it uses less digits than its factorization.

143313645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69884.

The product of its digits is 12960, while the sum is 30.

The square root of 143313645 is about 11971.3677163472. The cubic root of 143313645 is about 523.3141934751.

Adding to 143313645 its reverse (546313341), we get a palindrome (689626986).

The spelling of 143313645 in words is "one hundred forty-three million, three hundred thirteen thousand, six hundred forty-five".