145687804965 has 48 divisors (see below), whose sum is σ = 256177299456. Its totient is φ = 76577356800.

The previous prime is 145687804963. The next prime is 145687804987. The reversal of 145687804965 is 569408786541.

145687804965 is a `hidden beast` number, since 1 + 4 + 5 + 68 + 7 + 80 + 496 + 5 = 666.

It is not a de Polignac number, because 145687804965 - 2¹ = 145687804963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145687804961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10731612 + ... + 10745178.

It is an arithmetic number, because the mean of its divisors is an integer number (5337027072).

Almost surely, 2^145687804965 is an apocalyptic number.

145687804965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145687804965 is a deficient number, since it is larger than the sum of its proper divisors (110489494491).

145687804965 is a wasteful number, since it uses less digits than its factorization.

145687804965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17010 (or 17007 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 145687804965 in words is "one hundred forty-five billion, six hundred eighty-seven million, eight hundred four thousand, nine hundred sixty-five".