145662565 has 8 divisors (see below), whose sum is σ = 182395008. Its totient is φ = 111463440.

The previous prime is 145662557. The next prime is 145662581. The reversal of 145662565 is 565266541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145662565 - 2³ = 145662557 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633201 + ... + 633430.

It is an arithmetic number, because the mean of its divisors is an integer number (22799376).

Almost surely, 2^145662565 is an apocalyptic number.

It is an amenable number.

145662565 is a deficient number, since it is larger than the sum of its proper divisors (36732443).

145662565 is a wasteful number, since it uses less digits than its factorization.

145662565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266659.

The product of its digits is 216000, while the sum is 40.

The square root of 145662565 is about 12069.0747366979. The cubic root of 145662565 is about 526.1577654245.

The spelling of 145662565 in words is "one hundred forty-five million, six hundred sixty-two thousand, five hundred sixty-five".