145405355044 has 24 divisors (see below), whose sum is σ = 262846631936. Its totient is φ = 70309512000.

The previous prime is 145405354987. The next prime is 145405355087. The reversal of 145405355044 is 440553504541.

It is a super-2 number, since 2×145405355044² (a number of 23 digits) contains 22 as substring.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 145405354988 and 145405355006.

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 in 7 ways as a sum of consecutive naturals, for example, 216177 + ... + 580984.

Almost surely, 2^145405355044 is an apocalyptic number.

It is an amenable number.

145405355044 is a deficient number, since it is larger than the sum of its proper divisors (117441276892).

145405355044 is a wasteful number, since it uses less digits than its factorization.

145405355044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798667 (or 798665 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 145405355044 its reverse (440553504541), we get a palindrome (585958859585).

The spelling of 145405355044 in words is "one hundred forty-five billion, four hundred five million, three hundred fifty-five thousand, forty-four".