145250565 has 16 divisors (see below), whose sum is σ = 232720128. Its totient is φ = 77360576.

The previous prime is 145250557. The next prime is 145250579. The reversal of 145250565 is 565052541.

It is a cyclic number.

It is not a de Polignac number, because 145250565 - 2³ = 145250557 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5332 + ... + 17858.

It is an arithmetic number, because the mean of its divisors is an integer number (14545008).

Almost surely, 2^145250565 is an apocalyptic number.

145250565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145250565 is a deficient number, since it is larger than the sum of its proper divisors (87469563).

145250565 is a wasteful number, since it uses less digits than its factorization.

145250565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13308.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 145250565 is about 12051.9942333209. The cubic root of 145250565 is about 525.6612258081.

The spelling of 145250565 in words is "one hundred forty-five million, two hundred fifty thousand, five hundred sixty-five".