145553212444 has 6 divisors (see below), whose sum is σ = 254718121784. Its totient is φ = 72776606220.

The previous prime is 145553212403. The next prime is 145553212481. The reversal of 145553212444 is 444212355541.

It is a junction number, because it is equal to n+sod(n) for n = 145553212397 and 145553212406.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18194151552 + ... + 18194151559.

Almost surely, 2^145553212444 is an apocalyptic number.

It is an amenable number.

145553212444 is a deficient number, since it is larger than the sum of its proper divisors (109164909340).

145553212444 is a wasteful number, since it uses less digits than its factorization.

145553212444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36388303115 (or 36388303113 counting only the distinct ones).

The product of its digits is 384000, while the sum is 40.

Adding to 145553212444 its reverse (444212355541), we get a palindrome (589765567985).

The spelling of 145553212444 in words is "one hundred forty-five billion, five hundred fifty-three million, two hundred twelve thousand, four hundred forty-four".