4499145 has 72 divisors (see below), whose sum is σ = 9662016. Its totient is φ = 1967328.

The previous prime is 4499119. The next prime is 4499167. The reversal of 4499145 is 5419944.

It is a happy number.

It is not a de Polignac number, because 4499145 - 2⁶ = 4499081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 195604 + ... + 195626.

Almost surely, 2^4499145 is an apocalyptic number.

4499145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4499145 is an abundant number, since it is smaller than the sum of its proper divisors (5162871).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4499145 is an equidigital number, since it uses as much as digits as its factorization.

4499145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 38 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 4499145 is about 2121.1188085536. The cubic root of 4499145 is about 165.0859056795.

Subtracting from 4499145 its product of digits (25920), we obtain a square (4473225 = 2115²).

The spelling of 4499145 in words is "four million, four hundred ninety-nine thousand, one hundred forty-five".