455131949 has 4 divisors (see below), whose sum is σ = 455595936. Its totient is φ = 454667964.

The previous prime is 455131927. The next prime is 455131967. The reversal of 455131949 is 949131554.

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 455131949 - 2¹² = 455127853 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 (455131979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230519 + ... + 232484.

It is an arithmetic number, because the mean of its divisors is an integer number (113898984).

Almost surely, 2^455131949 is an apocalyptic number.

It is an amenable number.

455131949 is a deficient number, since it is larger than the sum of its proper divisors (463987).

455131949 is an equidigital number, since it uses as much as digits as its factorization.

455131949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463986.

The product of its digits is 97200, while the sum is 41.

The square root of 455131949 is about 21333.8217157639. The cubic root of 455131949 is about 769.2115102750.

The spelling of 455131949 in words is "four hundred fifty-five million, one hundred thirty-one thousand, nine hundred forty-nine".