150221661242 has 16 divisors (see below), whose sum is σ = 226420608960. Its totient is φ = 74748972672.

The previous prime is 150221661221. The next prime is 150221661257. The reversal of 150221661242 is 242166122051.

150221661242 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 150221661199 and 150221661208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143609 + ... + 566627.

It is an arithmetic number, because the mean of its divisors is an integer number (14151288060).

Almost surely, 2^150221661242 is an apocalyptic number.

150221661242 is a deficient number, since it is larger than the sum of its proper divisors (76198947718).

150221661242 is a wasteful number, since it uses less digits than its factorization.

150221661242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423877.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 150221661242 its reverse (242166122051), we get a palindrome (392387783293).

The spelling of 150221661242 in words is "one hundred fifty billion, two hundred twenty-one million, six hundred sixty-one thousand, two hundred forty-two".