450144129 has 8 divisors (see below), whose sum is σ = 603302752. Its totient is φ = 298540800.

The previous prime is 450144103. The next prime is 450144131. The reversal of 450144129 is 921441054.

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

It is not a de Polignac number, because 450144129 - 2⁷ = 450144001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450144096 and 450144105.

It is not an unprimeable number, because it can be changed into a prime (450144179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388147 + ... + 389304.

It is an arithmetic number, because the mean of its divisors is an integer number (75412844).

Almost surely, 2^450144129 is an apocalyptic number.

It is an amenable number.

450144129 is a deficient number, since it is larger than the sum of its proper divisors (153158623).

450144129 is a wasteful number, since it uses less digits than its factorization.

450144129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777647.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 450144129 is about 21216.6003167331. The cubic root of 450144129 is about 766.3912365585.

The spelling of 450144129 in words is "four hundred fifty million, one hundred forty-four thousand, one hundred twenty-nine".