655145 has 8 divisors (see below), whose sum is σ = 790656. Its totient is φ = 521136.

The previous prime is 655121. The next prime is 655157. The reversal of 655145 is 541556.

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

It is a cyclic number.

It is not a de Polignac number, because 655145 - 2⁸ = 654889 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655145.

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, 1184 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (98832).

2⁶⁵⁵¹⁴⁵ is an apocalyptic number.

It is an amenable number.

655145 is a deficient number, since it is larger than the sum of its proper divisors (135511).

655145 is a wasteful number, since it uses less digits than its factorization.

655145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its digits is 3000, while the sum is 26.

The square root of 655145 is about 809.4102791539. The cubic root of 655145 is about 86.8518639977.

The spelling of 655145 in words is "six hundred fifty-five thousand, one hundred forty-five".