150040666 has 4 divisors (see below), whose sum is σ = 225061002. Its totient is φ = 75020332.

The previous prime is 150040621. The next prime is 150040673. The reversal of 150040666 is 666040051.

150040666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666040051 = 6661 ⋅99991.

It can be written as a sum of positive squares in only one way, i.e., 81631225 + 68409441 = 9035^2 + 8271^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37510165 + ... + 37510168.

Almost surely, 2^150040666 is an apocalyptic number.

150040666 is a deficient number, since it is larger than the sum of its proper divisors (75020336).

150040666 is an equidigital number, since it uses as much as digits as its factorization.

150040666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75020335.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 150040666 is about 12249.1087839075. The cubic root of 150040666 is about 531.3772958899.

The spelling of 150040666 in words is "one hundred fifty million, forty thousand, six hundred sixty-six".