145005400164525 has 48 divisors (see below), whose sum is σ = 240027788351424. Its totient is φ = 77244123156480.

The previous prime is 145005400164517. The next prime is 145005400164539. The reversal of 145005400164525 is 525461004500541.

It is a happy number.

It is not a de Polignac number, because 145005400164525 - 2³ = 145005400164517 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 822810319 + ... + 822986531.

It is an arithmetic number, because the mean of its divisors is an integer number (5000578923988).

Almost surely, 2^{145005400164525} is an apocalyptic number.

145005400164525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145005400164525 is a deficient number, since it is larger than the sum of its proper divisors (95022388186899).

145005400164525 is a wasteful number, since it uses less digits than its factorization.

145005400164525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189230 (or 189225 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 145005400164525 in words is "one hundred forty-five trillion, five billion, four hundred million, one hundred sixty-four thousand, five hundred twenty-five".