150664421 has 8 divisors (see below), whose sum is σ = 166463424. Its totient is φ = 135636160.

The previous prime is 150664403. The next prime is 150664511. The reversal of 150664421 is 124466051.

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 150664421 - 2¹⁴ = 150648037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150664321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192275 + ... + 193056.

It is an arithmetic number, because the mean of its divisors is an integer number (20807928).

Almost surely, 2^150664421 is an apocalyptic number.

It is an amenable number.

150664421 is a deficient number, since it is larger than the sum of its proper divisors (15799003).

150664421 is a wasteful number, since it uses less digits than its factorization.

150664421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385371.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 150664421 is about 12274.5436167704. The cubic root of 150664421 is about 532.1126320874.

The spelling of 150664421 in words is "one hundred fifty million, six hundred sixty-four thousand, four hundred twenty-one".