143869147 has 8 divisors (see below), whose sum is σ = 153842112. Its totient is φ = 134064000.

The previous prime is 143869133. The next prime is 143869177. The reversal of 143869147 is 741968341.

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

It is a cyclic number.

It is not a de Polignac number, because 143869147 - 2²³ = 135480539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143869127) 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, 40179 + ... + 43612.

It is an arithmetic number, because the mean of its divisors is an integer number (19230264).

Almost surely, 2^143869147 is an apocalyptic number.

143869147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

143869147 is a deficient number, since it is larger than the sum of its proper divisors (9972965).

143869147 is a wasteful number, since it uses less digits than its factorization.

143869147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83909.

The product of its digits is 145152, while the sum is 43.

The square root of 143869147 is about 11994.5465524963. The cubic root of 143869147 is about 523.9894659712.

The spelling of 143869147 in words is "one hundred forty-three million, eight hundred sixty-nine thousand, one hundred forty-seven".