10777145 has 4 divisors (see below), whose sum is σ = 12932580. Its totient is φ = 8621712.

The previous prime is 10777141. The next prime is 10777159. The reversal of 10777145 is 54177701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54177701 = 97 ⋅558533.

It can be written as a sum of positive squares in 2 ways, for example, as 4507129 + 6270016 = 2123^2 + 2504^2 .

It is a cyclic number.

It is not a de Polignac number, because 10777145 - 2² = 10777141 is a prime.

It is a super-2 number, since 2×10777145² = 232293708702050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10777141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077710 + ... + 1077719.

It is an arithmetic number, because the mean of its divisors is an integer number (3233145).

Almost surely, 2^10777145 is an apocalyptic number.

It is an amenable number.

10777145 is a deficient number, since it is larger than the sum of its proper divisors (2155435).

10777145 is an equidigital number, since it uses as much as digits as its factorization.

10777145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155434.

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 10777145 is about 3282.8562259106. The cubic root of 10777145 is about 220.8858565785.

The spelling of 10777145 in words is "ten million, seven hundred seventy-seven thousand, one hundred forty-five".