266145545 has 8 divisors (see below), whose sum is σ = 319732224. Its totient is φ = 212678064.

The previous prime is 266145541. The next prime is 266145553. The reversal of 266145545 is 545541662.

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 266145545 - 2² = 266145541 is a prime.

It is a super-2 number, since 2×266145545² = 141666902246694050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 266145499 and 266145508.

It is not an unprimeable number, because it can be changed into a prime (266145541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24809 + ... + 33878.

It is an arithmetic number, because the mean of its divisors is an integer number (39966528).

Almost surely, 2^266145545 is an apocalyptic number.

It is an amenable number.

266145545 is a deficient number, since it is larger than the sum of its proper divisors (53586679).

266145545 is an equidigital number, since it uses as much as digits as its factorization.

266145545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59599.

The product of its digits is 144000, while the sum is 38.

The square root of 266145545 is about 16313.9677883708. The cubic root of 266145545 is about 643.2400351218.

The spelling of 266145545 in words is "two hundred sixty-six million, one hundred forty-five thousand, five hundred forty-five".