1453455020405 has 8 divisors (see below), whose sum is σ = 1744914723000. Its totient is φ = 1162251550656.

The previous prime is 1453455020393. The next prime is 1453455020411. The reversal of 1453455020405 is 5040205543541.

It can be written as a sum of positive squares in 4 ways, for example, as 538756 + 1453454481649 = 734^2 + 1205593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1453455020405 is a prime.

It is a super-2 number, since 2×1453455020405² (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 7 ways as a sum of consecutive naturals, for example, 64045730 + ... + 64068419.

It is an arithmetic number, because the mean of its divisors is an integer number (218114340375).

Almost surely, 2^{1453455020405} is an apocalyptic number.

It is an amenable number.

1453455020405 is a deficient number, since it is larger than the sum of its proper divisors (291459702595).

1453455020405 is a wasteful number, since it uses less digits than its factorization.

1453455020405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128116423.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 1453455020405 in words is "one trillion, four hundred fifty-three billion, four hundred fifty-five million, twenty thousand, four hundred five".