145599727719 has 16 divisors (see below), whose sum is σ = 195511373568. Its totient is φ = 96378569472.

The previous prime is 145599727703. The next prime is 145599727747. The reversal of 145599727719 is 917727995541.

145599727719 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 145599727719 - 2⁴ = 145599727703 is a prime.

It is a super-2 number, since 2×145599727719² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145599727719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145599727799) 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, 294199 + ... + 614615.

It is an arithmetic number, because the mean of its divisors is an integer number (12219460848).

Almost surely, 2^145599727719 is an apocalyptic number.

145599727719 is a deficient number, since it is larger than the sum of its proper divisors (49911645849).

145599727719 is a wasteful number, since it uses less digits than its factorization.

145599727719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321494.

The product of its digits is 50009400, while the sum is 66.

The spelling of 145599727719 in words is "one hundred forty-five billion, five hundred ninety-nine million, seven hundred twenty-seven thousand, seven hundred nineteen".