1453643165445 has 32 divisors (see below), whose sum is σ = 2334560227200. Its totient is φ = 772371425280.

The previous prime is 1453643165419. The next prime is 1453643165543. The reversal of 1453643165445 is 5445613463541.

It is not a de Polignac number, because 1453643165445 - 2⁵ = 1453643165413 is a prime.

It is a super-2 number, since 2×1453643165445² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4104781 + ... + 4444829.

It is an arithmetic number, because the mean of its divisors is an integer number (72955007100).

Almost surely, 2^{1453643165445} is an apocalyptic number.

1453643165445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1453643165445 is a deficient number, since it is larger than the sum of its proper divisors (880917061755).

1453643165445 is a wasteful number, since it uses less digits than its factorization.

1453643165445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341125.

The product of its digits is 10368000, while the sum is 51.

The spelling of 1453643165445 in words is "one trillion, four hundred fifty-three billion, six hundred forty-three million, one hundred sixty-five thousand, four hundred forty-five".