454685143 has 16 divisors (see below), whose sum is σ = 522950400. Its totient is φ = 390977280.

The previous prime is 454685141. The next prime is 454685173. The reversal of 454685143 is 341586454.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 454685143 - 2¹ = 454685141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 454685096 and 454685105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454685141) 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, 174055 + ... + 176647.

It is an arithmetic number, because the mean of its divisors is an integer number (32684400).

Almost surely, 2^454685143 is an apocalyptic number.

454685143 is a deficient number, since it is larger than the sum of its proper divisors (68265257).

454685143 is a wasteful number, since it uses less digits than its factorization.

454685143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462.

The product of its digits is 230400, while the sum is 40.

The square root of 454685143 is about 21323.3473685536. The cubic root of 454685143 is about 768.9597145432.

The spelling of 454685143 in words is "four hundred fifty-four million, six hundred eighty-five thousand, one hundred forty-three".