145316446466439 has 16 divisors (see below), whose sum is σ = 200048379560960. Its totient is φ = 93732414295680.

The previous prime is 145316446466383. The next prime is 145316446466447. The reversal of 145316446466439 is 934664644613541.

It is not a de Polignac number, because 145316446466439 - 2¹⁵ = 145316446433671 is a prime.

It is a super-2 number, since 2×145316446466439² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145316446466439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145316446466039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167329669 + ... + 168195870.

It is an arithmetic number, because the mean of its divisors is an integer number (12503023722560).

Almost surely, 2^{145316446466439} is an apocalyptic number.

145316446466439 is a deficient number, since it is larger than the sum of its proper divisors (54731933094521).

145316446466439 is a wasteful number, since it uses less digits than its factorization.

145316446466439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335530230.

The product of its digits is 537477120, while the sum is 66.

The spelling of 145316446466439 in words is "one hundred forty-five trillion, three hundred sixteen billion, four hundred forty-six million, four hundred sixty-six thousand, four hundred thirty-nine".