150665550 has 192 divisors, whose sum is σ = 452542464. Its totient is φ = 32457600.

The previous prime is 150665539. The next prime is 150665551. The reversal of 150665550 is 55566051.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150665551) 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 95 ways as a sum of consecutive naturals, for example, 2122015 + ... + 2122085.

It is an arithmetic number, because the mean of its divisors is an integer number (2356992).

Almost surely, 2^150665550 is an apocalyptic number.

150665550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 150665550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226271232).

150665550 is an abundant number, since it is smaller than the sum of its proper divisors (301876914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150665550 is a wasteful number, since it uses less digits than its factorization.

150665550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 150665550 is about 12274.5896061742. The cubic root of 150665550 is about 532.1139612083.

The spelling of 150665550 in words is "one hundred fifty million, six hundred sixty-five thousand, five hundred fifty".