43602157 has 2 divisors, whose sum is σ = 43602158. Its totient is φ = 43602156.

The previous prime is 43602149. The next prime is 43602187. The reversal of 43602157 is 75120634.

43602157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26512201 + 17089956 = 5149^2 + 4134^2 .

It is a cyclic number.

It is not a de Polignac number, because 43602157 - 2³ = 43602149 is a prime.

It is a super-2 number, since 2×43602157² = 3802296190105298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43602107) 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, 21801078 + 21801079.

It is an arithmetic number, because the mean of its divisors is an integer number (21801079).

Almost surely, 2^43602157 is an apocalyptic number.

It is an amenable number.

43602157 is a deficient number, since it is larger than the sum of its proper divisors (1).

43602157 is an equidigital number, since it uses as much as digits as its factorization.

43602157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 43602157 is about 6603.1929397830. The cubic root of 43602157 is about 351.9675767527.

The spelling of 43602157 in words is "forty-three million, six hundred two thousand, one hundred fifty-seven".