150222144 has 56 divisors (see below), whose sum is σ = 400434048. Its totient is φ = 49699840.

The previous prime is 150222143. The next prime is 150222167. The reversal of 150222144 is 441222051.

It is a self number, because there is not a number n which added to its sum of digits gives 150222144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150222143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23449 + ... + 29159.

It is an arithmetic number, because the mean of its divisors is an integer number (7150608).

Almost surely, 2^150222144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150222144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200217024).

150222144 is an abundant number, since it is smaller than the sum of its proper divisors (250211904).

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

150222144 is a wasteful number, since it uses less digits than its factorization.

150222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5863 (or 5853 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 150222144 is about 12256.5143495204. The cubic root of 150222144 is about 531.5914476886.

Adding to 150222144 its reverse (441222051), we get a palindrome (591444195).

The spelling of 150222144 in words is "one hundred fifty million, two hundred twenty-two thousand, one hundred forty-four".