145204021365 has 32 divisors (see below), whose sum is σ = 252493127040. Its totient is φ = 70829220096.

The previous prime is 145204021301. The next prime is 145204021367. The reversal of 145204021365 is 563120402541.

145204021365 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 145204021365 - 2⁶ = 145204021301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145204021367) 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 31 ways as a sum of consecutive naturals, for example, 3394507 + ... + 3437016.

It is an arithmetic number, because the mean of its divisors is an integer number (7890410220).

Almost surely, 2^145204021365 is an apocalyptic number.

145204021365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145204021365 is a deficient number, since it is larger than the sum of its proper divisors (107289105675).

145204021365 is a wasteful number, since it uses less digits than its factorization.

145204021365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6831653.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 145204021365 in words is "one hundred forty-five billion, two hundred four million, twenty-one thousand, three hundred sixty-five".