4777145 has 8 divisors (see below), whose sum is σ = 5744520. Its totient is φ = 3813760.

The previous prime is 4777139. The next prime is 4777163. The reversal of 4777145 is 5417774.

It can be written as a sum of positive squares in 4 ways, for example, as 2383936 + 2393209 = 1544^2 + 1547^2 .

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

It is not a de Polignac number, because 4777145 - 2⁶ = 4777081 is a prime.

It is a super-2 number, since 2×4777145² = 45642228702050, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3455 + ... + 4635.

It is an arithmetic number, because the mean of its divisors is an integer number (718065).

Almost surely, 2^4777145 is an apocalyptic number.

It is an amenable number.

4777145 is a deficient number, since it is larger than the sum of its proper divisors (967375).

4777145 is a wasteful number, since it uses less digits than its factorization.

4777145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995.

The product of its digits is 27440, while the sum is 35.

The square root of 4777145 is about 2185.6680900814. The cubic root of 4777145 is about 168.4183757027.

The spelling of 4777145 in words is "four million, seven hundred seventy-seven thousand, one hundred forty-five".