455734509 has 4 divisors (see below), whose sum is σ = 607646016. Its totient is φ = 303823004.

The previous prime is 455734493. The next prime is 455734519. The reversal of 455734509 is 905437554.

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 a cyclic number.

It is not a de Polignac number, because 455734509 - 2⁴ = 455734493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455734519) 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, 75955749 + ... + 75955754.

It is an arithmetic number, because the mean of its divisors is an integer number (151911504).

Almost surely, 2^455734509 is an apocalyptic number.

It is an amenable number.

455734509 is a deficient number, since it is larger than the sum of its proper divisors (151911507).

455734509 is a wasteful number, since it uses less digits than its factorization.

455734509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151911506.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 455734509 is about 21347.9392213862. The cubic root of 455734509 is about 769.5508197100.

The spelling of 455734509 in words is "four hundred fifty-five million, seven hundred thirty-four thousand, five hundred nine".