455123449 has 4 divisors (see below), whose sum is σ = 496498320. Its totient is φ = 413748580.

The previous prime is 455123441. The next prime is 455123467. The reversal of 455123449 is 944321554.

It is a happy number.

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 455123449 - 2³ = 455123441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455123441) 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, 20687419 + ... + 20687440.

It is an arithmetic number, because the mean of its divisors is an integer number (124124580).

Almost surely, 2^455123449 is an apocalyptic number.

It is an amenable number.

455123449 is a deficient number, since it is larger than the sum of its proper divisors (41374871).

455123449 is a wasteful number, since it uses less digits than its factorization.

455123449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41374870.

The product of its digits is 86400, while the sum is 37.

The square root of 455123449 is about 21333.6225006444. The cubic root of 455123449 is about 769.2067216721.

It can be divided in two parts, 455 and 123449, that added together give a square (123904 = 352²).

The spelling of 455123449 in words is "four hundred fifty-five million, one hundred twenty-three thousand, four hundred forty-nine".