143808845 has 18 divisors (see below), whose sum is σ = 179353674. Its totient is φ = 110692320.

The previous prime is 143808839. The next prime is 143808851. The reversal of 143808845 is 548808341.

It is an interprime number because it is at equal distance from previous prime (143808839) and next prime (143808851).

It can be written as a sum of positive squares in 3 ways, for example, as 74269924 + 69538921 = 8618^2 + 8339^2 .

It is not a de Polignac number, because 143808845 - 2¹⁴ = 143792461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 831179 + ... + 831351.

It is an arithmetic number, because the mean of its divisors is an integer number (9964093).

Almost surely, 2^143808845 is an apocalyptic number.

It is an amenable number.

143808845 is a deficient number, since it is larger than the sum of its proper divisors (35544829).

143808845 is an frugal number, since it uses more digits than its factorization.

143808845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 143808845 is about 11992.0325633314. The cubic root of 143808845 is about 523.9162465930.

The spelling of 143808845 in words is "one hundred forty-three million, eight hundred eight thousand, eight hundred forty-five".