3443128157 has 8 divisors (see below), whose sum is σ = 3939292800. Its totient is φ = 2948035824.

The previous prime is 3443128141. The next prime is 3443128189. The reversal of 3443128157 is 7518213443.

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 3443128157 - 2⁴ = 3443128141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3443128157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443128657) 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, 261182 + ... + 274047.

It is an arithmetic number, because the mean of its divisors is an integer number (492411600).

Almost surely, 2^3443128157 is an apocalyptic number.

It is an amenable number.

3443128157 is a deficient number, since it is larger than the sum of its proper divisors (496164643).

3443128157 is an equidigital number, since it uses as much as digits as its factorization.

3443128157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536155.

The product of its digits is 80640, while the sum is 38.

The square root of 3443128157 is about 58678.1744518352. The cubic root of 3443128157 is about 1510.0258985661.

The spelling of 3443128157 in words is "three billion, four hundred forty-three million, one hundred twenty-eight thousand, one hundred fifty-seven".