450404152 has 32 divisors (see below), whose sum is σ = 922143600. Its totient is φ = 204537600.

The previous prime is 450404131. The next prime is 450404153. The reversal of 450404152 is 251404054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450404153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140002 + ... + 143182.

Almost surely, 2^450404152 is an apocalyptic number.

It is an amenable number.

450404152 is an abundant number, since it is smaller than the sum of its proper divisors (471739448).

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

450404152 is a wasteful number, since it uses less digits than its factorization.

450404152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807 (or 4803 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 450404152 is about 21222.7272516988. The cubic root of 450404152 is about 766.5387752223.

The spelling of 450404152 in words is "four hundred fifty million, four hundred four thousand, one hundred fifty-two".