43143732149 has 8 divisors (see below), whose sum is σ = 52207541568. Its totient is φ = 34805027520.

The previous prime is 43143732127. The next prime is 43143732157. The reversal of 43143732149 is 94123734134.

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

It is not a de Polignac number, because 43143732149 - 2¹⁶ = 43143666613 is a prime.

It is a super-2 number, since 2×43143732149² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143732119) 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, 181276067 + ... + 181276304.

It is an arithmetic number, because the mean of its divisors is an integer number (6525942696).

Almost surely, 2^43143732149 is an apocalyptic number.

It is an amenable number.

43143732149 is a deficient number, since it is larger than the sum of its proper divisors (9063809419).

43143732149 is a wasteful number, since it uses less digits than its factorization.

43143732149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362552395.

The product of its digits is 217728, while the sum is 41.

The spelling of 43143732149 in words is "forty-three billion, one hundred forty-three million, seven hundred thirty-two thousand, one hundred forty-nine".