145227728613 has 16 divisors (see below), whose sum is σ = 214393176576. Its totient is φ = 86703120240.

The previous prime is 145227728579. The next prime is 145227728621. The reversal of 145227728613 is 316827722541.

It is a happy number.

145227728613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145227728613 - 2⁹ = 145227728101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145227728813) by changing a digit.

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, 32839881 + ... + 32844302.

It is an arithmetic number, because the mean of its divisors is an integer number (13399573536).

Almost surely, 2^145227728613 is an apocalyptic number.

It is an amenable number.

145227728613 is a deficient number, since it is larger than the sum of its proper divisors (69165447963).

145227728613 is a wasteful number, since it uses less digits than its factorization.

145227728613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65684264.

The product of its digits is 1128960, while the sum is 48.

The spelling of 145227728613 in words is "one hundred forty-five billion, two hundred twenty-seven million, seven hundred twenty-eight thousand, six hundred thirteen".