4499155 has 4 divisors (see below), whose sum is σ = 5398992. Its totient is φ = 3599320.

The previous prime is 4499119. The next prime is 4499167. The reversal of 4499155 is 5519944.

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

It is not a de Polignac number, because 4499155 - 2¹⁷ = 4368083 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 449911 + ... + 449920.

It is an arithmetic number, because the mean of its divisors is an integer number (1349748).

Almost surely, 2^4499155 is an apocalyptic number.

4499155 is a deficient number, since it is larger than the sum of its proper divisors (899837).

4499155 is an equidigital number, since it uses as much as digits as its factorization.

4499155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899836.

The product of its digits is 32400, while the sum is 37.

The square root of 4499155 is about 2121.1211657989. The cubic root of 4499155 is about 165.0860279885.

Adding to 4499155 its product of digits (32400), we get a triangular number (4531555 = T₃₀₁₀).

It can be divided in two parts, 449 and 9155, that added together give a square (9604 = 98²).

The spelling of 4499155 in words is "four million, four hundred ninety-nine thousand, one hundred fifty-five".