158252443 has 4 divisors (see below), whose sum is σ = 165133008. Its totient is φ = 151371880.

The previous prime is 158252429. The next prime is 158252461. The reversal of 158252443 is 344252851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344252851 = 41 ⋅8396411.

It is a cyclic number.

It is not a de Polignac number, because 158252443 - 2⁵ = 158252411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158252399 and 158252408.

It is not an unprimeable number, because it can be changed into a prime (158256443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3440248 + ... + 3440293.

It is an arithmetic number, because the mean of its divisors is an integer number (41283252).

Almost surely, 2^158252443 is an apocalyptic number.

158252443 is a deficient number, since it is larger than the sum of its proper divisors (6880565).

158252443 is an equidigital number, since it uses as much as digits as its factorization.

158252443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880564.

The product of its digits is 38400, while the sum is 34.

The square root of 158252443 is about 12579.8427255670. The cubic root of 158252443 is about 540.8997836105.

The spelling of 158252443 in words is "one hundred fifty-eight million, two hundred fifty-two thousand, four hundred forty-three".