145520550534403 has 16 divisors (see below), whose sum is σ = 159584001361920. Its totient is φ = 131596178783200.

The previous prime is 145520550534349. The next prime is 145520550534449. The reversal of 145520550534403 is 304435055025541.

It is a cyclic number.

It is not a de Polignac number, because 145520550534403 - 2⁴¹ = 143321527278851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145520550537403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109678788 + ... + 110997646.

It is an arithmetic number, because the mean of its divisors is an integer number (9974000085120).

Almost surely, 2^{145520550534403} is an apocalyptic number.

145520550534403 is a deficient number, since it is larger than the sum of its proper divisors (14063450827517).

145520550534403 is a wasteful number, since it uses less digits than its factorization.

145520550534403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371578.

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 145520550534403 in words is "one hundred forty-five trillion, five hundred twenty billion, five hundred fifty million, five hundred thirty-four thousand, four hundred three".