1443232322145 has 48 divisors (see below), whose sum is σ = 2577430778832. Its totient is φ = 746609233920.

The previous prime is 1443232322107. The next prime is 1443232322219. The reversal of 1443232322145 is 5412232323441.

1443232322145 is a `hidden beast` number, since 1 + 4 + 4 + 323 + 2 + 322 + 1 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 39213504576 + 1404018817569 = 198024^2 + 1184913^2 .

It is not a de Polignac number, because 1443232322145 - 2⁷ = 1443232322017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1941624 + ... + 2579993.

It is an arithmetic number, because the mean of its divisors is an integer number (53696474559).

Almost surely, 2^{1443232322145} is an apocalyptic number.

1443232322145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1443232322145 is a deficient number, since it is larger than the sum of its proper divisors (1134198456687).

1443232322145 is a wasteful number, since it uses less digits than its factorization.

1443232322145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521842 (or 4521839 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 1443232322145 its reverse (5412232323441), we get a palindrome (6855464645586).

The spelling of 1443232322145 in words is "one trillion, four hundred forty-three billion, two hundred thirty-two million, three hundred twenty-two thousand, one hundred forty-five".