43838157 has 16 divisors (see below), whose sum is σ = 64054080. Its totient is φ = 26448000.

The previous prime is 43838153. The next prime is 43838159. The reversal of 43838157 is 75183834.

It is not a de Polignac number, because 43838157 - 2² = 43838153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43838153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4657 + ... + 10457.

It is an arithmetic number, because the mean of its divisors is an integer number (4003380).

Almost surely, 2^43838157 is an apocalyptic number.

It is an amenable number.

43838157 is a deficient number, since it is larger than the sum of its proper divisors (20215923).

43838157 is a wasteful number, since it uses less digits than its factorization.

43838157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044.

The product of its digits is 80640, while the sum is 39.

The square root of 43838157 is about 6621.0389668088. The cubic root of 43838157 is about 352.6014516096.

The spelling of 43838157 in words is "forty-three million, eight hundred thirty-eight thousand, one hundred fifty-seven".