321452153030145 has 16 divisors (see below), whose sum is σ = 530914523715072. Its totient is φ = 165910788660480.

The previous prime is 321452153030143. The next prime is 321452153030159. The reversal of 321452153030145 is 541030351254123.

It is not a de Polignac number, because 321452153030145 - 2¹ = 321452153030143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321452153030143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345647475912 + ... + 345647476841.

It is an arithmetic number, because the mean of its divisors is an integer number (33182157732192).

Almost surely, 2^{321452153030145} is an apocalyptic number.

It is an amenable number.

321452153030145 is a deficient number, since it is larger than the sum of its proper divisors (209462370684927).

321452153030145 is a wasteful number, since it uses less digits than its factorization.

321452153030145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691294952792.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 321452153030145 in words is "three hundred twenty-one trillion, four hundred fifty-two billion, one hundred fifty-three million, thirty thousand, one hundred forty-five".