43453157 has 8 divisors (see below), whose sum is σ = 47796672. Its totient is φ = 39501660.

The previous prime is 43453147. The next prime is 43453159. The reversal of 43453157 is 75135434.

43453157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43453157 - 2¹² = 43449061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43453159) 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 in 7 ways as a sum of consecutive naturals, for example, 14993 + ... + 17654.

It is an arithmetic number, because the mean of its divisors is an integer number (5974584).

Almost surely, 2^43453157 is an apocalyptic number.

It is an amenable number.

43453157 is a deficient number, since it is larger than the sum of its proper divisors (4343515).

43453157 is an equidigital number, since it uses as much as digits as its factorization.

43453157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32680 (or 32658 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 43453157 is about 6591.9008639390. The cubic root of 43453157 is about 351.5661973748.

The spelling of 43453157 in words is "forty-three million, four hundred fifty-three thousand, one hundred fifty-seven".