455947129 has 4 divisors (see below), whose sum is σ = 497396880. Its totient is φ = 414497380.

The previous prime is 455947117. The next prime is 455947153. The reversal of 455947129 is 921749554.

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.

It is not a de Polignac number, because 455947129 - 2¹¹ = 455945081 is a prime.

It is a super-3 number, since 3×455947129³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455942129) 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, 20724859 + ... + 20724880.

It is an arithmetic number, because the mean of its divisors is an integer number (124349220).

Almost surely, 2^455947129 is an apocalyptic number.

It is an amenable number.

455947129 is a deficient number, since it is larger than the sum of its proper divisors (41449751).

455947129 is a wasteful number, since it uses less digits than its factorization.

455947129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41449750.

The product of its digits is 453600, while the sum is 46.

The square root of 455947129 is about 21352.9185124657. The cubic root of 455947129 is about 769.6704774297.

The spelling of 455947129 in words is "four hundred fifty-five million, nine hundred forty-seven thousand, one hundred twenty-nine".