455129 has 4 divisors (see below), whose sum is σ = 456576. Its totient is φ = 453684.

The previous prime is 455123. The next prime is 455149. The reversal of 455129 is 921554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 921554 = 2 ⋅460777.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 455098 and 455107.

It is not an unprimeable number, because it can be changed into a prime (455123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29 + ... + 954.

It is an arithmetic number, because the mean of its divisors is an integer number (114144).

2⁴⁵⁵¹²⁹ is an apocalyptic number.

It is an amenable number.

455129 is a deficient number, since it is larger than the sum of its proper divisors (1447).

455129 is an equidigital number, since it uses as much as digits as its factorization.

455129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446.

The product of its digits is 1800, while the sum is 26.

The square root of 455129 is about 674.6324925469. The cubic root of 455129 is about 76.9209848918.

The spelling of 455129 in words is "four hundred fifty-five thousand, one hundred twenty-nine".