145410312305321 has 16 divisors (see below), whose sum is σ = 175096140380160. Its totient is φ = 117965198912400.

The previous prime is 145410312305317. The next prime is 145410312305353. The reversal of 145410312305321 is 123503213014541.

It is not a de Polignac number, because 145410312305321 - 2² = 145410312305317 is a prime.

It is a super-2 number, since 2×145410312305321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145410312307321) 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, 519988961 + ... + 520268526.

It is an arithmetic number, because the mean of its divisors is an integer number (10943508773760).

Almost surely, 2^{145410312305321} is an apocalyptic number.

It is an amenable number.

145410312305321 is a deficient number, since it is larger than the sum of its proper divisors (29685828074839).

145410312305321 is a wasteful number, since it uses less digits than its factorization.

145410312305321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040258564.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 145410312305321 its reverse (123503213014541), we get a palindrome (268913525319862).

The spelling of 145410312305321 in words is "one hundred forty-five trillion, four hundred ten billion, three hundred twelve million, three hundred five thousand, three hundred twenty-one".