656200145 has 8 divisors (see below), whose sum is σ = 788044200. Its totient is φ = 524557440.

The previous prime is 656200117. The next prime is 656200159. The reversal of 656200145 is 541002656.

656200145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 329349904 + 326850241 = 18148^2 + 18079^2 .

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

It is not a de Polignac number, because 656200145 - 2¹⁴ = 656183761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43070 + ... + 56279.

It is an arithmetic number, because the mean of its divisors is an integer number (98505525).

Almost surely, 2^656200145 is an apocalyptic number.

It is an amenable number.

656200145 is a deficient number, since it is larger than the sum of its proper divisors (131844055).

656200145 is a wasteful number, since it uses less digits than its factorization.

656200145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100675.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 656200145 is about 25616.4038264546. The cubic root of 656200145 is about 868.9846546569.

The spelling of 656200145 in words is "six hundred fifty-six million, two hundred thousand, one hundred forty-five".