150191220 has 48 divisors (see below), whose sum is σ = 426823488. Its totient is φ = 39452160.

The previous prime is 150191207. The next prime is 150191227. The reversal of 150191220 is 22191051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150191227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14661 + ... + 22700.

It is an arithmetic number, because the mean of its divisors is an integer number (8892156).

Almost surely, 2^150191220 is an apocalyptic number.

150191220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150191220 is an abundant number, since it is smaller than the sum of its proper divisors (276632268).

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

150191220 is a wasteful number, since it uses less digits than its factorization.

150191220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37440 (or 37438 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 150191220 is about 12255.2527513716. The cubic root of 150191220 is about 531.5549682419.

The spelling of 150191220 in words is "one hundred fifty million, one hundred ninety-one thousand, two hundred twenty".