150666212 has 6 divisors (see below), whose sum is σ = 263665878.
Its totient is φ = 75333104.
The previous prime is 150666209. The next prime is 150666221. The reversal of 150666212 is 212666051.
It can be written as a sum of positive squares in only one way, i.e., 128913316 + 21752896 = 11354^2 + 4664^2
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18833273 + ... + 18833280.
It is an arithmetic number, because the mean of its divisors is an integer number (43944313).
Almost surely, 2150666212 is an apocalyptic number.
It is an amenable number.
150666212 is a deficient number, since it is larger than the sum of its proper divisors (112999666).
150666212 is a wasteful number, since it uses less digits than its factorization.
150666212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37666557 (or 37666555 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 29.
The square root of 150666212 is about 12274.6165724229.
The cubic root of 150666212 is about 532.1147405479.
The spelling of 150666212 in words is "one hundred fifty million, six hundred sixty-six thousand, two hundred twelve".