43150138 has 4 divisors (see below), whose sum is σ = 64725210. Its totient is φ = 21575068.

The previous prime is 43150127. The next prime is 43150189. The reversal of 43150138 is 83105134.

43150138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43125489 + 24649 = 6567^2 + 157^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10787533 + ... + 10787536.

Almost surely, 2^43150138 is an apocalyptic number.

43150138 is a deficient number, since it is larger than the sum of its proper divisors (21575072).

43150138 is a wasteful number, since it uses less digits than its factorization.

43150138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21575071.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 43150138 is about 6568.8764640538. The cubic root of 43150138 is about 350.7470790465.

The spelling of 43150138 in words is "forty-three million, one hundred fifty thousand, one hundred thirty-eight".