449036145 has 48 divisors (see below), whose sum is σ = 809303040. Its totient is φ = 230041728.

The previous prime is 449036131. The next prime is 449036179. The reversal of 449036145 is 541630944.

It is not a de Polignac number, because 449036145 - 2⁷ = 449036017 is a prime.

It is a super-2 number, since 2×449036145² = 403266919032922050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290244 + ... + 291786.

It is an arithmetic number, because the mean of its divisors is an integer number (16860480).

Almost surely, 2^449036145 is an apocalyptic number.

449036145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

449036145 is a deficient number, since it is larger than the sum of its proper divisors (360266895).

449036145 is a wasteful number, since it uses less digits than its factorization.

449036145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 449036145 is about 21190.4729772603. The cubic root of 449036145 is about 765.7619219120.

The spelling of 449036145 in words is "four hundred forty-nine million, thirty-six thousand, one hundred forty-five".