4550845 has 16 divisors (see below), whose sum is σ = 5996592. Its totient is φ = 3294720.

The previous prime is 4550839. The next prime is 4550851. The reversal of 4550845 is 5480554.

It is an interprime number because it is at equal distance from previous prime (4550839) and next prime (4550851).

It can be written as a sum of positive squares in 8 ways, for example, as 47961 + 4502884 = 219^2 + 2122^2 .

It is not a de Polignac number, because 4550845 - 2⁵ = 4550813 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

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, 2785 + ... + 4105.

It is an arithmetic number, because the mean of its divisors is an integer number (374787).

Almost surely, 2^4550845 is an apocalyptic number.

It is an amenable number.

4550845 is a deficient number, since it is larger than the sum of its proper divisors (1445747).

4550845 is a wasteful number, since it uses less digits than its factorization.

4550845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 4550845 is about 2133.2709626299. The cubic root of 4550845 is about 165.7158369638.

The spelling of 4550845 in words is "four million, five hundred fifty thousand, eight hundred forty-five".