150664445 has 4 divisors (see below), whose sum is σ = 180797340. Its totient is φ = 120531552.

The previous prime is 150664403. The next prime is 150664511. The reversal of 150664445 is 544466051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23921881 + 126742564 = 4891^2 + 11258^2 .

It is a cyclic number.

It is not a de Polignac number, because 150664445 - 2¹⁶ = 150598909 is a prime.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15066440 + ... + 15066449.

It is an arithmetic number, because the mean of its divisors is an integer number (45199335).

Almost surely, 2^150664445 is an apocalyptic number.

It is an amenable number.

150664445 is a deficient number, since it is larger than the sum of its proper divisors (30132895).

150664445 is an equidigital number, since it uses as much as digits as its factorization.

150664445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30132894.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 150664445 is about 12274.5445944035. The cubic root of 150664445 is about 532.1126603416.

The spelling of 150664445 in words is "one hundred fifty million, six hundred sixty-four thousand, four hundred forty-five".