143073065 has 16 divisors (see below), whose sum is σ = 175808016. Its totient is φ = 111744000.

The previous prime is 143073031. The next prime is 143073101. The reversal of 143073065 is 560370341.

It can be written as a sum of positive squares in 8 ways, for example, as 14318656 + 128754409 = 3784^2 + 11347^2 .

It is not a de Polignac number, because 143073065 - 2²⁰ = 142024489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34925 + ... + 38805.

It is an arithmetic number, because the mean of its divisors is an integer number (10988001).

Almost surely, 2^143073065 is an apocalyptic number.

It is an amenable number.

143073065 is a deficient number, since it is larger than the sum of its proper divisors (32734951).

143073065 is a wasteful number, since it uses less digits than its factorization.

143073065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 143073065 is about 11961.3153540905. The cubic root of 143073065 is about 523.0212010363.

The spelling of 143073065 in words is "one hundred forty-three million, seventy-three thousand, sixty-five".