150404233121 has 4 divisors (see below), whose sum is σ = 150408305172. Its totient is φ = 150400161072.

The previous prime is 150404233087. The next prime is 150404233129. The reversal of 150404233121 is 121332404051.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71815960225 + 78588272896 = 267985^2 + 280336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150404233121 is a prime.

It is a super-2 number, since 2×150404233121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150404233129) 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 in 3 ways as a sum of consecutive naturals, for example, 1980110 + ... + 2054663.

It is an arithmetic number, because the mean of its divisors is an integer number (37602076293).

Almost surely, 2^150404233121 is an apocalyptic number.

It is an amenable number.

150404233121 is a deficient number, since it is larger than the sum of its proper divisors (4072051).

150404233121 is an equidigital number, since it uses as much as digits as its factorization.

150404233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072050.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 150404233121 its reverse (121332404051), we get a palindrome (271736637172).

The spelling of 150404233121 in words is "one hundred fifty billion, four hundred four million, two hundred thirty-three thousand, one hundred twenty-one".