1453643165231 has 4 divisors (see below), whose sum is σ = 1453647592200. Its totient is φ = 1453638738264.

The previous prime is 1453643165173. The next prime is 1453643165251. The reversal of 1453643165231 is 1325613463541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1453643165231 - 2¹⁴ = 1453643148847 is a prime.

It is a super-2 number, since 2×1453643165231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453643165251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677716 + ... + 2392073.

It is an arithmetic number, because the mean of its divisors is an integer number (363411898050).

Almost surely, 2^{1453643165231} is an apocalyptic number.

1453643165231 is a deficient number, since it is larger than the sum of its proper divisors (4426969).

1453643165231 is an equidigital number, since it uses as much as digits as its factorization.

1453643165231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426968.

The product of its digits is 777600, while the sum is 44.

The spelling of 1453643165231 in words is "one trillion, four hundred fifty-three billion, six hundred forty-three million, one hundred sixty-five thousand, two hundred thirty-one".