156145445354227 has 36 divisors (see below), whose sum is σ = 191710193190480. Its totient is φ = 126789152751072.

The previous prime is 156145445354159. The next prime is 156145445354263. The reversal of 156145445354227 is 722453544541651.

It is a de Polignac number, because none of the positive numbers 2^k-156145445354227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156145445354267) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 422883274 + ... + 423252352.

It is an arithmetic number, because the mean of its divisors is an integer number (5325283144180).

Almost surely, 2^{156145445354227} is an apocalyptic number.

156145445354227 is a deficient number, since it is larger than the sum of its proper divisors (35564747836253).

156145445354227 is a wasteful number, since it uses less digits than its factorization.

156145445354227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393048 (or 393022 counting only the distinct ones).

The product of its digits is 80640000, while the sum is 58.

Adding to 156145445354227 its reverse (722453544541651), we get a palindrome (878598989895878).

The spelling of 156145445354227 in words is "one hundred fifty-six trillion, one hundred forty-five billion, four hundred forty-five million, three hundred fifty-four thousand, two hundred twenty-seven".