145012305223444 has 12 divisors (see below), whose sum is σ = 256099713354100. Its totient is φ = 71840958550848.

The previous prime is 145012305223417. The next prime is 145012305223453. The reversal of 145012305223444 is 444322503210541.

It can be written as a sum of positive squares in 2 ways, for example, as 61604634695044 + 83407670528400 = 7848862^2 + 9132780^2 .

It is a super-2 number, since 2×145012305223444² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145012305223397 and 145012305223406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166298514729 + ... + 166298515600.

Almost surely, 2^{145012305223444} is an apocalyptic number.

It is an amenable number.

145012305223444 is a deficient number, since it is larger than the sum of its proper divisors (111087408130656).

145012305223444 is a wasteful number, since it uses less digits than its factorization.

145012305223444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332597030442 (or 332597030440 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 145012305223444 its reverse (444322503210541), we get a palindrome (589334808433985).

The spelling of 145012305223444 in words is "one hundred forty-five trillion, twelve billion, three hundred five million, two hundred twenty-three thousand, four hundred forty-four".