145042565 has 16 divisors (see below), whose sum is σ = 176432256. Its totient is φ = 114456000.

The previous prime is 145042549. The next prime is 145042603. The reversal of 145042565 is 565240541.

It is not a de Polignac number, because 145042565 - 2⁴ = 145042549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253730 + ... + 254300.

It is an arithmetic number, because the mean of its divisors is an integer number (11027016).

Almost surely, 2^145042565 is an apocalyptic number.

It is an amenable number.

145042565 is a deficient number, since it is larger than the sum of its proper divisors (31389691).

145042565 is a wasteful number, since it uses less digits than its factorization.

145042565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 145042565 is about 12043.3618645294. The cubic root of 145042565 is about 525.4101888792.

The spelling of 145042565 in words is "one hundred forty-five million, forty-two thousand, five hundred sixty-five".