143068445 has 16 divisors (see below), whose sum is σ = 185675952. Its totient is φ = 105200640.

The previous prime is 143068433. The next prime is 143068469. The reversal of 143068445 is 544860341.

It can be written as a sum of positive squares in 8 ways, for example, as 98596 + 142969849 = 314^2 + 11957^2 .

It is not a de Polignac number, because 143068445 - 2¹⁴ = 143052061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11099 + ... + 20231.

It is an arithmetic number, because the mean of its divisors is an integer number (11604747).

Almost surely, 2^143068445 is an apocalyptic number.

It is an amenable number.

143068445 is a deficient number, since it is larger than the sum of its proper divisors (42607507).

143068445 is a wasteful number, since it uses less digits than its factorization.

143068445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9392.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 143068445 is about 11961.1222299582. The cubic root of 143068445 is about 523.0155713161.

The spelling of 143068445 in words is "one hundred forty-three million, sixty-eight thousand, four hundred forty-five".