43132157 has 2 divisors, whose sum is σ = 43132158. Its totient is φ = 43132156.

The previous prime is 43132099. The next prime is 43132171. The reversal of 43132157 is 75123134.

43132157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42954916 + 177241 = 6554^2 + 421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43132157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43132057) by changing a digit.

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, 21566078 + 21566079.

It is an arithmetic number, because the mean of its divisors is an integer number (21566079).

Almost surely, 2^43132157 is an apocalyptic number.

It is an amenable number.

43132157 is a deficient number, since it is larger than the sum of its proper divisors (1).

43132157 is an equidigital number, since it uses as much as digits as its factorization.

43132157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 43132157 is about 6567.5076703419. The cubic root of 43132157 is about 350.6983525939.

It can be divided in two parts, 4313 and 2157, that multiplied together give a triangular number (9303141 = T₄₃₁₃).

The spelling of 43132157 in words is "forty-three million, one hundred thirty-two thousand, one hundred fifty-seven".