150666455443 has 4 divisors (see below), whose sum is σ = 172190234800. Its totient is φ = 129142676088.

The previous prime is 150666455389. The next prime is 150666455453. The reversal of 150666455443 is 344554666051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150666455443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150666455453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10761889668 + ... + 10761889681.

It is an arithmetic number, because the mean of its divisors is an integer number (43047558700).

Almost surely, 2^150666455443 is an apocalyptic number.

150666455443 is a deficient number, since it is larger than the sum of its proper divisors (21523779357).

150666455443 is an equidigital number, since it uses as much as digits as its factorization.

150666455443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21523779356.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 150666455443 in words is "one hundred fifty billion, six hundred sixty-six million, four hundred fifty-five thousand, four hundred forty-three".