145565601554 has 16 divisors (see below), whose sum is σ = 229370961600. Its totient is φ = 69151090800.

The previous prime is 145565601547. The next prime is 145565601637. The reversal of 145565601554 is 455106565541.

It is a junction number, because it is equal to n+sod(n) for n = 145565601499 and 145565601508.

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, 10612172 + ... + 10625879.

It is an arithmetic number, because the mean of its divisors is an integer number (14335685100).

Almost surely, 2^145565601554 is an apocalyptic number.

145565601554 is a deficient number, since it is larger than the sum of its proper divisors (83805360046).

145565601554 is a wasteful number, since it uses less digits than its factorization.

145565601554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21238225.

The product of its (nonzero) digits is 1800000, while the sum is 47.

The spelling of 145565601554 in words is "one hundred forty-five billion, five hundred sixty-five million, six hundred one thousand, five hundred fifty-four".