4550145 has 16 divisors (see below), whose sum is σ = 7328832. Its totient is φ = 2410560.

The previous prime is 4550137. The next prime is 4550167. The reversal of 4550145 is 5410554.

It is not a de Polignac number, because 4550145 - 2³ = 4550137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1515 + ... + 3375.

It is an arithmetic number, because the mean of its divisors is an integer number (458052).

Almost surely, 2^4550145 is an apocalyptic number.

It is an amenable number.

4550145 is a deficient number, since it is larger than the sum of its proper divisors (2778687).

4550145 is a wasteful number, since it uses less digits than its factorization.

4550145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 4550145 is about 2133.1068890236. The cubic root of 4550145 is about 165.7073398581.

Adding to 4550145 its reverse (5410554), we get a palindrome (9960699).

The spelling of 4550145 in words is "four million, five hundred fifty thousand, one hundred forty-five".