43157107 has 8 divisors (see below), whose sum is σ = 49364576. Its totient is φ = 36960192.

The previous prime is 43157087. The next prime is 43157117. The reversal of 43157107 is 70175134.

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 43157107 - 2¹¹ = 43155059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43157117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10513 + ... + 14029.

It is an arithmetic number, because the mean of its divisors is an integer number (6170572).

Almost surely, 2^43157107 is an apocalyptic number.

43157107 is a deficient number, since it is larger than the sum of its proper divisors (6207469).

43157107 is a wasteful number, since it uses less digits than its factorization.

43157107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 43157107 is about 6569.4068986477. The cubic root of 43157107 is about 350.7659605992.

It can be divided in two parts, 43157 and 107, that added together give a square (43264 = 208²).

The spelling of 43157107 in words is "forty-three million, one hundred fifty-seven thousand, one hundred seven".