156044066 has 4 divisors (see below), whose sum is σ = 234066102. Its totient is φ = 78022032.

The previous prime is 156044047. The next prime is 156044069. The reversal of 156044066 is 660440651.

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

It can be written as a sum of positive squares in only one way, i.e., 78234025 + 77810041 = 8845^2 + 8821^2 .

It is not an unprimeable number, because it can be changed into a prime (156044069) 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 as a sum of consecutive naturals, namely, 39011015 + ... + 39011018.

Almost surely, 2^156044066 is an apocalyptic number.

156044066 is a deficient number, since it is larger than the sum of its proper divisors (78022036).

156044066 is an equidigital number, since it uses as much as digits as its factorization.

156044066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78022035.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 156044066 is about 12491.7599240459. The cubic root of 156044066 is about 538.3719437546.

The spelling of 156044066 in words is "one hundred fifty-six million, forty-four thousand, sixty-six".