157443443 has 24 divisors (see below), whose sum is σ = 179705520. Its totient is φ = 137479680.

The previous prime is 157443437. The next prime is 157443449. The reversal of 157443443 is 344344751.

157443443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157443437) and next prime (157443449).

It is not a de Polignac number, because 157443443 - 2¹⁶ = 157377907 is a prime.

It is a Duffinian number.

Its product of digits (80640) is a multiple of the sum of its prime divisors (630).

It is not an unprimeable number, because it can be changed into a prime (157443449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290753 + ... + 291293.

It is an arithmetic number, because the mean of its divisors is an integer number (7487730).

Almost surely, 2^157443443 is an apocalyptic number.

157443443 is a deficient number, since it is larger than the sum of its proper divisors (22262077).

157443443 is a wasteful number, since it uses less digits than its factorization.

157443443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 630 counting only the distinct ones).

The product of its digits is 80640, while the sum is 35.

The square root of 157443443 is about 12547.6469108754. The cubic root of 157443443 is about 539.9764998918.

The spelling of 157443443 in words is "one hundred fifty-seven million, four hundred forty-three thousand, four hundred forty-three".