145521344043 has 10 divisors (see below), whose sum is σ = 217383736284. Its totient is φ = 97014229308.

The previous prime is 145521344039. The next prime is 145521344077. The reversal of 145521344043 is 340443125541.

145521344043 is a `hidden beast` number, since 14 + 552 + 13 + 4 + 40 + 43 = 666.

It is not a de Polignac number, because 145521344043 - 2² = 145521344039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145521343989 and 145521344007.

It is not an unprimeable number, because it can be changed into a prime (145521344083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 898279821 + ... + 898279982.

Almost surely, 2^145521344043 is an apocalyptic number.

145521344043 is a deficient number, since it is larger than the sum of its proper divisors (71862392241).

145521344043 is an equidigital number, since it uses as much as digits as its factorization.

145521344043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796559815 (or 1796559806 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 145521344043 its reverse (340443125541), we get a palindrome (485964469584).

The spelling of 145521344043 in words is "one hundred forty-five billion, five hundred twenty-one million, three hundred forty-four thousand, forty-three".