449290146 has 16 divisors (see below), whose sum is σ = 903547008. Its totient is φ = 148935600.

The previous prime is 449290097. The next prime is 449290159. The reversal of 449290146 is 641092944.

It is a super-3 number, since 3×449290146³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205770 + ... + 207941.

It is an arithmetic number, because the mean of its divisors is an integer number (56471688).

Almost surely, 2^449290146 is an apocalyptic number.

449290146 is an abundant number, since it is smaller than the sum of its proper divisors (454256862).

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

449290146 is a wasteful number, since it uses less digits than its factorization.

449290146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413897.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 449290146 is about 21196.4654128937. The cubic root of 449290146 is about 765.9062812123.

The spelling of 449290146 in words is "four hundred forty-nine million, two hundred ninety thousand, one hundred forty-six".