145255765 has 16 divisors (see below), whose sum is σ = 177827328. Its totient is φ = 113878656.

The previous prime is 145255723. The next prime is 145255771. The reversal of 145255765 is 567552541.

It is a cyclic number.

It is not a de Polignac number, because 145255765 - 2⁷ = 145255637 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 15 ways as a sum of consecutive naturals, for example, 59764 + ... + 62146.

It is an arithmetic number, because the mean of its divisors is an integer number (11114208).

Almost surely, 2^145255765 is an apocalyptic number.

It is an amenable number.

145255765 is a deficient number, since it is larger than the sum of its proper divisors (32571563).

145255765 is a wasteful number, since it uses less digits than its factorization.

145255765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its digits is 210000, while the sum is 40.

The square root of 145255765 is about 12052.2099633221. The cubic root of 145255765 is about 525.6674986598.

The spelling of 145255765 in words is "one hundred forty-five million, two hundred fifty-five thousand, seven hundred sixty-five".