150015001 has 4 divisors (see below), whose sum is σ = 150039604. Its totient is φ = 149990400.

The previous prime is 150014951. The next prime is 150015017. The reversal of 150015001 is 100510051.

150015001 = T₉₉₉₉ + T₁₀₀₀₀ + T₁₀₀₀₁.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 100510051 = 953 ⋅105467.

It can be written as a sum of positive squares in 2 ways, for example, as 10208025 + 139806976 = 3195^2 + 11824^2 .

It is a cyclic number.

It is not a de Polignac number, because 150015001 - 2⁷ = 150014873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150015091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4441 + ... + 17881.

It is an arithmetic number, because the mean of its divisors is an integer number (37509901).

Almost surely, 2^150015001 is an apocalyptic number.

150015001 is the 10001-st centered triangular number.

It is an amenable number.

150015001 is a deficient number, since it is larger than the sum of its proper divisors (24603).

150015001 is a wasteful number, since it uses less digits than its factorization.

150015001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24602.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 150015001 is about 12248.0611118658. The cubic root of 150015001 is about 531.3469961578.

Adding to 150015001 its reverse (100510051), we get a palindrome (250525052).

It can be divided in two parts, 15001 and 5001, that added together give a palindrome (20002).

The spelling of 150015001 in words is "one hundred fifty million, fifteen thousand, one".