150090809 has 16 divisors (see below), whose sum is σ = 171085824. Its totient is φ = 130429200.

The previous prime is 150090767. The next prime is 150090817. The reversal of 150090809 is 908090051.

It is not a de Polignac number, because 150090809 - 2⁸ = 150090553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150090839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25652 + ... + 30954.

It is an arithmetic number, because the mean of its divisors is an integer number (10692864).

Almost surely, 2^150090809 is an apocalyptic number.

It is an amenable number.

150090809 is a deficient number, since it is larger than the sum of its proper divisors (20995015).

150090809 is a wasteful number, since it uses less digits than its factorization.

150090809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 150090809 is about 12251.1554148986. The cubic root of 150090809 is about 531.4364840305.

The spelling of 150090809 in words is "one hundred fifty million, ninety thousand, eight hundred nine".