450115557 has 8 divisors (see below), whose sum is σ = 607385184. Its totient is φ = 296461488.

The previous prime is 450115541. The next prime is 450115577. The reversal of 450115557 is 755511054.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450115557 - 2⁴ = 450115541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450115517) 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 7 ways as a sum of consecutive naturals, for example, 903598 + ... + 904095.

It is an arithmetic number, because the mean of its divisors is an integer number (75923148).

Almost surely, 2^450115557 is an apocalyptic number.

It is an amenable number.

450115557 is a deficient number, since it is larger than the sum of its proper divisors (157269627).

450115557 is a wasteful number, since it uses less digits than its factorization.

450115557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807779.

The product of its (nonzero) digits is 17500, while the sum is 33.

The square root of 450115557 is about 21215.9269653720. The cubic root of 450115557 is about 766.3750211641.

The spelling of 450115557 in words is "four hundred fifty million, one hundred fifteen thousand, five hundred fifty-seven".