158272258403242 has 8 divisors (see below), whose sum is σ = 237411207468000. Its totient is φ = 79135189247244.

The previous prime is 158272258403219. The next prime is 158272258403243. The reversal of 158272258403242 is 242304852272851.

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

It is a super-2 number, since 2×158272258403242² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158272258403243) 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, 469766692 + ... + 470103487.

It is an arithmetic number, because the mean of its divisors is an integer number (29676400933500).

Almost surely, 2^{158272258403242} is an apocalyptic number.

158272258403242 is a deficient number, since it is larger than the sum of its proper divisors (79138949064758).

158272258403242 is an equidigital number, since it uses as much as digits as its factorization.

158272258403242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939954380.

The product of its (nonzero) digits is 17203200, while the sum is 55.

The spelling of 158272258403242 in words is "one hundred fifty-eight trillion, two hundred seventy-two billion, two hundred fifty-eight million, four hundred three thousand, two hundred forty-two".