454135519 has 4 divisors (see below), whose sum is σ = 456136344. Its totient is φ = 452134696.

The previous prime is 454135481. The next prime is 454135597. The reversal of 454135519 is 915531454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 454135519 - 2²³ = 445746911 is a prime.

It is a super-2 number, since 2×454135519² = 412478139234798722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454135819) 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 3 ways as a sum of consecutive naturals, for example, 1000072 + ... + 1000525.

It is an arithmetic number, because the mean of its divisors is an integer number (114034086).

Almost surely, 2^454135519 is an apocalyptic number.

454135519 is a deficient number, since it is larger than the sum of its proper divisors (2000825).

454135519 is a wasteful number, since it uses less digits than its factorization.

454135519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000824.

The product of its digits is 54000, while the sum is 37.

The square root of 454135519 is about 21310.4556262882. The cubic root of 454135519 is about 768.6497497757.

The spelling of 454135519 in words is "four hundred fifty-four million, one hundred thirty-five thousand, five hundred nineteen".