153302302226021 has 4 divisors (see below), whose sum is σ = 165094787012652. Its totient is φ = 141509817439392.

The previous prime is 153302302225973. The next prime is 153302302226081. The reversal of 153302302226021 is 120622203203351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28906870533121 + 124395431692900 = 5376511^2 + 11153270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153302302226021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153302302226081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5896242393296 + ... + 5896242393321.

It is an arithmetic number, because the mean of its divisors is an integer number (41273696753163).

Almost surely, 2^{153302302226021} is an apocalyptic number.

It is an amenable number.

153302302226021 is a deficient number, since it is larger than the sum of its proper divisors (11792484786631).

153302302226021 is a wasteful number, since it uses less digits than its factorization.

153302302226021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11792484786630.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 153302302226021 its reverse (120622203203351), we get a palindrome (273924505429372).

The spelling of 153302302226021 in words is "one hundred fifty-three trillion, three hundred two billion, three hundred two million, two hundred twenty-six thousand, twenty-one".