150553809 has 56 divisors (see below), whose sum is σ = 260990912. Its totient is φ = 85030560.

The previous prime is 150553771. The next prime is 150553811. The reversal of 150553809 is 908355051.

It is a happy number.

It is not a de Polignac number, because 150553809 - 2¹³ = 150545617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150553849) 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 55 ways as a sum of consecutive naturals, for example, 831699 + ... + 831879.

It is an arithmetic number, because the mean of its divisors is an integer number (4660552).

Almost surely, 2^150553809 is an apocalyptic number.

It is an amenable number.

150553809 is a deficient number, since it is larger than the sum of its proper divisors (110437103).

150553809 is an equidigital number, since it uses as much as digits as its factorization.

150553809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 150553809 is about 12270.0370415089. The cubic root of 150553809 is about 531.9823813582.

The spelling of 150553809 in words is "one hundred fifty million, five hundred fifty-three thousand, eight hundred nine".