150131423242 has 4 divisors (see below), whose sum is σ = 225197134866. Its totient is φ = 75065711620.

The previous prime is 150131423227. The next prime is 150131423243. The reversal of 150131423242 is 242324131051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242324131051 = 29 ⋅8356004519.

It can be written as a sum of positive squares in only one way, i.e., 141134711041 + 8996712201 = 375679^2 + 94851^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 150131423242.

It is not an unprimeable number, because it can be changed into a prime (150131423243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37532855809 + ... + 37532855812.

Almost surely, 2^150131423242 is an apocalyptic number.

150131423242 is a deficient number, since it is larger than the sum of its proper divisors (75065711624).

150131423242 is an equidigital number, since it uses as much as digits as its factorization.

150131423242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75065711623.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 150131423242 its reverse (242324131051), we get a palindrome (392455554293).

The spelling of 150131423242 in words is "one hundred fifty billion, one hundred thirty-one million, four hundred twenty-three thousand, two hundred forty-two".