150020905 has 8 divisors (see below), whose sum is σ = 180171072. Its totient is φ = 119919408.

The previous prime is 150020867. The next prime is 150020953. The reversal of 150020905 is 509020051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 150020905 - 2¹³ = 150012713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4999 + ... + 18028.

It is an arithmetic number, because the mean of its divisors is an integer number (22521384).

Almost surely, 2^150020905 is an apocalyptic number.

It is an amenable number.

150020905 is a deficient number, since it is larger than the sum of its proper divisors (30150167).

150020905 is a wasteful number, since it uses less digits than its factorization.

150020905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24335.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 150020905 is about 12248.3021272338. The cubic root of 150020905 is about 531.3539666418.

Adding to 150020905 its reverse (509020051), we get a palindrome (659040956).

The spelling of 150020905 in words is "one hundred fifty million, twenty thousand, nine hundred five".