450670146 has 16 divisors (see below), whose sum is σ = 903069984. Its totient is φ = 149935104.

The previous prime is 450670123. The next prime is 450670159. The reversal of 450670146 is 641076054.

It is a super-2 number, since 2×450670146² = 406207160991322632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68671 + ... + 74946.

It is an arithmetic number, because the mean of its divisors is an integer number (56441874).

Almost surely, 2^450670146 is an apocalyptic number.

450670146 is an abundant number, since it is smaller than the sum of its proper divisors (452399838).

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

450670146 is a wasteful number, since it uses less digits than its factorization.

450670146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144145.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 450670146 is about 21228.9930519561. The cubic root of 450670146 is about 766.6896431257.

The spelling of 450670146 in words is "four hundred fifty million, six hundred seventy thousand, one hundred forty-six".