143628441 has 8 divisors (see below), whose sum is σ = 208914144. Its totient is φ = 87047520.

The previous prime is 143628439. The next prime is 143628451. The reversal of 143628441 is 144826341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143628441 - 2¹ = 143628439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 4352377 = 143628441 / (1 + 4 + 3 + 6 + 2 + 8 + 4 + 4 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (143628421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2176156 + ... + 2176221.

It is an arithmetic number, because the mean of its divisors is an integer number (26114268).

Almost surely, 2^143628441 is an apocalyptic number.

143628441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143628441 is a deficient number, since it is larger than the sum of its proper divisors (65285703).

143628441 is a wasteful number, since it uses less digits than its factorization.

143628441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352391.

The product of its digits is 18432, while the sum is 33.

The square root of 143628441 is about 11984.5083753986. The cubic root of 143628441 is about 523.6970757048.

The spelling of 143628441 in words is "one hundred forty-three million, six hundred twenty-eight thousand, four hundred forty-one".