43157438 has 12 divisors (see below), whose sum is σ = 65862600. Its totient is φ = 21209556.

The previous prime is 43157399. The next prime is 43157449. The reversal of 43157438 is 83475134.

It is a junction number, because it is equal to n+sod(n) for n = 43157398 and 43157407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3863 + ... + 10061.

It is an arithmetic number, because the mean of its divisors is an integer number (5488550).

Almost surely, 2^43157438 is an apocalyptic number.

43157438 is a deficient number, since it is larger than the sum of its proper divisors (22705162).

43157438 is an equidigital number, since it uses as much as digits as its factorization.

43157438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6319 (or 6260 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 43157438 is about 6569.4320911324. The cubic root of 43157438 is about 350.7668573478.

The spelling of 43157438 in words is "forty-three million, one hundred fifty-seven thousand, four hundred thirty-eight".