450131478 has 16 divisors (see below), whose sum is σ = 902642880. Its totient is φ = 149647176.

The previous prime is 450131467. The next prime is 450131483. The reversal of 450131478 is 874131054.

It is a congruent number.

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, 96700 + ... + 101247.

It is an arithmetic number, because the mean of its divisors is an integer number (56415180).

Almost surely, 2^450131478 is an apocalyptic number.

450131478 is an abundant number, since it is smaller than the sum of its proper divisors (452511402).

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

450131478 is a wasteful number, since it uses less digits than its factorization.

450131478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198331.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 450131478 is about 21216.3021754499. The cubic root of 450131478 is about 766.3840568533.

The spelling of 450131478 in words is "four hundred fifty million, one hundred thirty-one thousand, four hundred seventy-eight".