450250146 has 24 divisors (see below), whose sum is σ = 981187740. Its totient is φ = 149214816.

The previous prime is 450250127. The next prime is 450250147. The reversal of 450250146 is 641052054.

It can be written as a sum of positive squares in 2 ways, for example, as 449228025 + 1022121 = 21195^2 + 1011^2 .

It is not an unprimeable number, because it can be changed into a prime (450250147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69181 + ... + 75408.

Almost surely, 2^450250146 is an apocalyptic number.

450250146 is an abundant number, since it is smaller than the sum of its proper divisors (530937594).

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

450250146 is a wasteful number, since it uses less digits than its factorization.

450250146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144770 (or 144767 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 450250146 is about 21219.0986142202. The cubic root of 450250146 is about 766.4513981206.

The spelling of 450250146 in words is "four hundred fifty million, two hundred fifty thousand, one hundred forty-six".