156320045405 has 16 divisors (see below), whose sum is σ = 193376669760. Its totient is φ = 121252364928.

The previous prime is 156320045393. The next prime is 156320045423. The reversal of 156320045405 is 504540023651.

156320045405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 156320045405 - 2⁴ = 156320045389 is a prime.

It is a super-2 number, since 2×156320045405² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3607907 + ... + 3650976.

It is an arithmetic number, because the mean of its divisors is an integer number (12086041860).

Almost surely, 2^156320045405 is an apocalyptic number.

It is an amenable number.

156320045405 is a deficient number, since it is larger than the sum of its proper divisors (37056624355).

156320045405 is an equidigital number, since it uses as much as digits as its factorization.

156320045405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7259020.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 156320045405 in words is "one hundred fifty-six billion, three hundred twenty million, forty-five thousand, four hundred five".