149143143 has 8 divisors (see below), whose sum is σ = 205714800. Its totient is φ = 96000128.

The previous prime is 149143123. The next prime is 149143147. The reversal of 149143143 is 341341941.

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 149143143 - 2¹⁴ = 149126759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149143143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149143147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857058 + ... + 857231.

It is an arithmetic number, because the mean of its divisors is an integer number (25714350).

Almost surely, 2^149143143 is an apocalyptic number.

149143143 is a deficient number, since it is larger than the sum of its proper divisors (56571657).

149143143 is a wasteful number, since it uses less digits than its factorization.

149143143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714321.

The product of its digits is 5184, while the sum is 30.

The square root of 149143143 is about 12212.4175739286. The cubic root of 149143143 is about 530.3156337550.

The spelling of 149143143 in words is "one hundred forty-nine million, one hundred forty-three thousand, one hundred forty-three".