150809444 has 12 divisors (see below), whose sum is σ = 264819324. Its totient is φ = 75146784.

The previous prime is 150809443. The next prime is 150809453. The reversal of 150809444 is 444908051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 135443044 + 15366400 = 11638^2 + 3920^2 .

It is not an unprimeable number, because it can be changed into a prime (150809443) 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, 63167 + ... + 65510.

It is an arithmetic number, because the mean of its divisors is an integer number (22068277).

Almost surely, 2^150809444 is an apocalyptic number.

It is an amenable number.

150809444 is a deficient number, since it is larger than the sum of its proper divisors (114009880).

150809444 is a wasteful number, since it uses less digits than its factorization.

150809444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128974 (or 128972 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 150809444 is about 12280.4496660342. The cubic root of 150809444 is about 532.2833068078.

The spelling of 150809444 in words is "one hundred fifty million, eight hundred nine thousand, four hundred forty-four".