157396443 has 8 divisors (see below), whose sum is σ = 209949456. Its totient is φ = 104887200.

The previous prime is 157396441. The next prime is 157396451. The reversal of 157396443 is 344693751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157396443 - 2¹ = 157396441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157396395 and 157396404.

It is not an unprimeable number, because it can be changed into a prime (157396441) 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, 1348 + ... + 17793.

It is an arithmetic number, because the mean of its divisors is an integer number (26243682).

Almost surely, 2^157396443 is an apocalyptic number.

157396443 is a deficient number, since it is larger than the sum of its proper divisors (52553013).

157396443 is a wasteful number, since it uses less digits than its factorization.

157396443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21885.

The product of its digits is 272160, while the sum is 42.

The square root of 157396443 is about 12545.7739099667. The cubic root of 157396443 is about 539.9227633017.

The spelling of 157396443 in words is "one hundred fifty-seven million, three hundred ninety-six thousand, four hundred forty-three".