450142553 has 16 divisors (see below), whose sum is σ = 538944000. Its totient is φ = 367803072.

The previous prime is 450142523. The next prime is 450142571. The reversal of 450142553 is 355241054.

It is a de Polignac number, because none of the positive numbers 2^k-450142553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (450142523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2003 + ... + 30071.

It is an arithmetic number, because the mean of its divisors is an integer number (33684000).

Almost surely, 2^450142553 is an apocalyptic number.

It is an amenable number.

450142553 is a deficient number, since it is larger than the sum of its proper divisors (88801447).

450142553 is a wasteful number, since it uses less digits than its factorization.

450142553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28184.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 450142553 is about 21216.5631759717. The cubic root of 450142553 is about 766.3903421531.

The spelling of 450142553 in words is "four hundred fifty million, one hundred forty-two thousand, five hundred fifty-three".