1814451149 has 8 divisors (see below), whose sum is σ = 2145164160. Its totient is φ = 1501614576.

The previous prime is 1814451061. The next prime is 1814451167. The reversal of 1814451149 is 9411544181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1814451149 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 (1894451149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4468889 + ... + 4469294.

It is an arithmetic number, because the mean of its divisors is an integer number (268145520).

Almost surely, 2^1814451149 is an apocalyptic number.

It is an amenable number.

1814451149 is a deficient number, since it is larger than the sum of its proper divisors (330713011).

1814451149 is an equidigital number, since it uses as much as digits as its factorization.

1814451149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938219.

The product of its digits is 23040, while the sum is 38.

The square root of 1814451149 is about 42596.3748340161. The cubic root of 1814451149 is about 1219.6870891939.

The spelling of 1814451149 in words is "one billion, eight hundred fourteen million, four hundred fifty-one thousand, one hundred forty-nine".