145343331442441 has 48 divisors (see below), whose sum is σ = 164610000152640. Its totient is φ = 127258439454720.

The previous prime is 145343331442427. The next prime is 145343331442447. The reversal of 145343331442441 is 144244133343541.

It is not a de Polignac number, because 145343331442441 - 2⁹ = 145343331441929 is a prime.

It is a super-2 number, since 2×145343331442441² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145343331442391 and 145343331442400.

It is not an unprimeable number, because it can be changed into a prime (145343331442447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1339157665 + ... + 1339266193.

It is an arithmetic number, because the mean of its divisors is an integer number (3429375003180).

Almost surely, 2^{145343331442441} is an apocalyptic number.

145343331442441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145343331442441 is a deficient number, since it is larger than the sum of its proper divisors (19266668710199).

145343331442441 is a wasteful number, since it uses less digits than its factorization.

145343331442441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109514 (or 109477 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 46.

Adding to 145343331442441 its reverse (144244133343541), we get a palindrome (289587464785982).

The spelling of 145343331442441 in words is "one hundred forty-five trillion, three hundred forty-three billion, three hundred thirty-one million, four hundred forty-two thousand, four hundred forty-one".