450155398 has 16 divisors (see below), whose sum is σ = 841849344. Its totient is φ = 175385160.

The previous prime is 450155389. The next prime is 450155401. The reversal of 450155398 is 893551054.

It is a self number, because there is not a number n which added to its sum of digits gives 450155398.

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, 1461390 + ... + 1461697.

It is an arithmetic number, because the mean of its divisors is an integer number (52615584).

Almost surely, 2^450155398 is an apocalyptic number.

450155398 is a deficient number, since it is larger than the sum of its proper divisors (391693946).

450155398 is a wasteful number, since it uses less digits than its factorization.

450155398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923107.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 450155398 is about 21216.8658854224. The cubic root of 450155398 is about 766.3976318367.

The spelling of 450155398 in words is "four hundred fifty million, one hundred fifty-five thousand, three hundred ninety-eight".