150002150321 has 4 divisors (see below), whose sum is σ = 152056974372. Its totient is φ = 147947326272.

The previous prime is 150002150297. The next prime is 150002150341. The reversal of 150002150321 is 123051200051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123051200051 = 13 ⋅9465476927.

It can be written as a sum of positive squares in 2 ways, for example, as 72057886096 + 77944264225 = 268436^2 + 279185^2 .

It is a cyclic number.

It is not a de Polignac number, because 150002150321 - 2¹⁴ = 150002133937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150002150293 and 150002150302.

It is not an unprimeable number, because it can be changed into a prime (150002150341) 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, 1027411916 + ... + 1027412061.

It is an arithmetic number, because the mean of its divisors is an integer number (38014243593).

Almost surely, 2^150002150321 is an apocalyptic number.

It is an amenable number.

150002150321 is a deficient number, since it is larger than the sum of its proper divisors (2054824051).

150002150321 is an equidigital number, since it uses as much as digits as its factorization.

150002150321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054824050.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 150002150321 its reverse (123051200051), we get a palindrome (273053350372).

The spelling of 150002150321 in words is "one hundred fifty billion, two million, one hundred fifty thousand, three hundred twenty-one".