4957145 has 4 divisors (see below), whose sum is σ = 5948580. Its totient is φ = 3965712.

The previous prime is 4957123. The next prime is 4957153. The reversal of 4957145 is 5417594.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3055504 + 1901641 = 1748^2 + 1379^2 .

It is a cyclic number.

It is not a de Polignac number, because 4957145 - 2¹² = 4953049 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 495710 + ... + 495719.

It is an arithmetic number, because the mean of its divisors is an integer number (1487145).

Almost surely, 2^4957145 is an apocalyptic number.

It is an amenable number.

4957145 is a deficient number, since it is larger than the sum of its proper divisors (991435).

4957145 is an equidigital number, since it uses as much as digits as its factorization.

4957145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991434.

The product of its digits is 25200, while the sum is 35.

The square root of 4957145 is about 2226.4646864480. The cubic root of 4957145 is about 170.5076520962.

The spelling of 4957145 in words is "four million, nine hundred fifty-seven thousand, one hundred forty-five".