1452345547689 has 9 divisors (see below), whose sum is σ = 2097837680029. Its totient is φ = 968227954860.

The previous prime is 1452345547657. The next prime is 1452345547691. The reversal of 1452345547689 is 9867455432541.

It is a happy number.

The square root of 1452345547689 is 1205133.

It is a perfect power (a square), and thus also a powerful number.

1452345547689 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 3 + 4 + 5 + 547 + 6 + 89 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1452345547689 - 2⁵ = 1452345547657 is a prime.

It is a super-2 number, since 2×1452345547689² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1452345547649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3414544 + ... + 3816254.

Almost surely, 2^{1452345547689} is an apocalyptic number.

1452345547689 is the 1205133-rd square number.

1452345547689 is the 602567-th centered octagonal number.

It is an amenable number.

1452345547689 is a deficient number, since it is larger than the sum of its proper divisors (645492132340).

1452345547689 is an frugal number, since it uses more digits than its factorization.

1452345547689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803428 (or 401714 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 63.

The spelling of 1452345547689 in words is "one trillion, four hundred fifty-two billion, three hundred forty-five million, five hundred forty-seven thousand, six hundred eighty-nine".