1418149 has 4 divisors (see below), whose sum is σ = 1452780. Its totient is φ = 1383520.

The previous prime is 1418147. The next prime is 1418159. The reversal of 1418149 is 9418141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21025 + 1397124 = 145^2 + 1182^2 .

It is a cyclic number.

It is not a de Polignac number, because 1418149 - 2¹ = 1418147 is a prime.

It is a super-2 number, since 2×1418149² = 4022293172402, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17254 + ... + 17335.

It is an arithmetic number, because the mean of its divisors is an integer number (363195).

2^1418149 is an apocalyptic number.

It is an amenable number.

1418149 is a deficient number, since it is larger than the sum of its proper divisors (34631).

1418149 is an equidigital number, since it uses as much as digits as its factorization.

1418149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34630.

The product of its digits is 1152, while the sum is 28.

The square root of 1418149 is about 1190.8606131702. The cubic root of 1418149 is about 112.3502270309.

The spelling of 1418149 in words is "one million, four hundred eighteen thousand, one hundred forty-nine".