145541525551505 has 16 divisors (see below), whose sum is σ = 174777468096000. Its totient is φ = 116348131494720.

The previous prime is 145541525551501. The next prime is 145541525551537. The reversal of 145541525551505 is 505155525145541.

It is a happy number.

It is not a de Polignac number, because 145541525551505 - 2² = 145541525551501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145541525551501) 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 15 ways as a sum of consecutive naturals, for example, 582341720 + ... + 582591590.

It is an arithmetic number, because the mean of its divisors is an integer number (10923591756000).

Almost surely, 2^{145541525551505} is an apocalyptic number.

It is an amenable number.

145541525551505 is a deficient number, since it is larger than the sum of its proper divisors (29235942544495).

145541525551505 is a wasteful number, since it uses less digits than its factorization.

145541525551505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334544.

The product of its (nonzero) digits is 12500000, while the sum is 53.

The spelling of 145541525551505 in words is "one hundred forty-five trillion, five hundred forty-one billion, five hundred twenty-five million, five hundred fifty-one thousand, five hundred five".