1449231085 has 4 divisors (see below), whose sum is σ = 1739077308. Its totient is φ = 1159384864.

The previous prime is 1449231083. The next prime is 1449231089. The reversal of 1449231085 is 5801329441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5801329441 = 17 ⋅341254673.

It can be written as a sum of positive squares in 2 ways, for example, as 729972324 + 719258761 = 27018^2 + 26819^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449231085 - 2¹ = 1449231083 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 (1449231083) 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, 144923104 + ... + 144923113.

It is an arithmetic number, because the mean of its divisors is an integer number (434769327).

Almost surely, 2^1449231085 is an apocalyptic number.

It is an amenable number.

1449231085 is a deficient number, since it is larger than the sum of its proper divisors (289846223).

1449231085 is an equidigital number, since it uses as much as digits as its factorization.

1449231085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289846222.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1449231085 is about 38068.7678418937. The cubic root of 1449231085 is about 1131.6510922289.

The spelling of 1449231085 in words is "one billion, four hundred forty-nine million, two hundred thirty-one thousand, eighty-five".