450155470 has 32 divisors (see below), whose sum is σ = 819014688. Its totient is φ = 178132608.

The previous prime is 450155443. The next prime is 450155473. The reversal of 450155470 is 74551054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450155473) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 451012 + ... + 452008.

It is an arithmetic number, because the mean of its divisors is an integer number (25594209).

Almost surely, 2^450155470 is an apocalyptic number.

450155470 is a deficient number, since it is larger than the sum of its proper divisors (368859218).

450155470 is a wasteful number, since it uses less digits than its factorization.

450155470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 450155470 is about 21216.8675821856. The cubic root of 450155470 is about 766.3976726971.

The spelling of 450155470 in words is "four hundred fifty million, one hundred fifty-five thousand, four hundred seventy".