455055149 has 4 divisors (see below), whose sum is σ = 479005440. Its totient is φ = 431104860.

The previous prime is 455055143. The next prime is 455055173. The reversal of 455055149 is 941550554.

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 a de Polignac number, because none of the positive numbers 2^k-455055149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455055143) 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, 11975117 + ... + 11975154.

It is an arithmetic number, because the mean of its divisors is an integer number (119751360).

Almost surely, 2^455055149 is an apocalyptic number.

It is an amenable number.

455055149 is a deficient number, since it is larger than the sum of its proper divisors (23950291).

455055149 is a wasteful number, since it uses less digits than its factorization.

455055149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23950290.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 455055149 is about 21332.0216810315. The cubic root of 455055149 is about 769.1682416747.

The spelling of 455055149 in words is "four hundred fifty-five million, fifty-five thousand, one hundred forty-nine".