450111545 has 16 divisors (see below), whose sum is σ = 587338752. Its totient is φ = 329158080.

The previous prime is 450111509. The next prime is 450111547. The reversal of 450111545 is 545111054.

It is not a de Polignac number, because 450111545 - 2⁶ = 450111481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450111547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26921 + ... + 40310.

It is an arithmetic number, because the mean of its divisors is an integer number (36708672).

Almost surely, 2^450111545 is an apocalyptic number.

It is an amenable number.

450111545 is a deficient number, since it is larger than the sum of its proper divisors (137227207).

450111545 is a wasteful number, since it uses less digits than its factorization.

450111545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67352.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 450111545 is about 21215.8324135538. The cubic root of 450111545 is about 766.3727441890.

Adding to 450111545 its reverse (545111054), we get a palindrome (995222599).

The spelling of 450111545 in words is "four hundred fifty million, one hundred eleven thousand, five hundred forty-five".