1454040689 has 4 divisors (see below), whose sum is σ = 1493339124. Its totient is φ = 1414742256.

The previous prime is 1454040673. The next prime is 1454040691. The reversal of 1454040689 is 9860404541.

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 896703025 + 557337664 = 29945^2 + 23608^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454040689 - 2⁴ = 1454040673 is a prime.

It is a super-2 number, since 2×1454040689² = 4228468650535189442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454040629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19649162 + ... + 19649235.

It is an arithmetic number, because the mean of its divisors is an integer number (373334781).

Almost surely, 2^1454040689 is an apocalyptic number.

It is an amenable number.

1454040689 is a deficient number, since it is larger than the sum of its proper divisors (39298435).

1454040689 is an equidigital number, since it uses as much as digits as its factorization.

1454040689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39298434.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 1454040689 is about 38131.8854634806. The cubic root of 1454040689 is about 1132.9015906718.

The spelling of 1454040689 in words is "one billion, four hundred fifty-four million, forty thousand, six hundred eighty-nine".