145565102565 has 64 divisors (see below), whose sum is σ = 262412006400. Its totient is φ = 76548506112.

The previous prime is 145565102563. The next prime is 145565102587. The reversal of 145565102565 is 565201565541.

It is a happy number.

145565102565 is a `hidden beast` number, since 1 + 4 + 5 + 56 + 510 + 25 + 65 = 666.

145565102565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145565102565 - 2¹ = 145565102563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 145565102565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145565102561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8235217 + ... + 8252873.

It is an arithmetic number, because the mean of its divisors is an integer number (4100187600).

Almost surely, 2^145565102565 is an apocalyptic number.

145565102565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145565102565 is a deficient number, since it is larger than the sum of its proper divisors (116846903835).

145565102565 is a wasteful number, since it uses less digits than its factorization.

145565102565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18523 (or 18517 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 145565102565 in words is "one hundred forty-five billion, five hundred sixty-five million, one hundred two thousand, five hundred sixty-five".