1453255166245 has 4 divisors (see below), whose sum is σ = 1743906199500. Its totient is φ = 1162604132992.

The previous prime is 1453255166203. The next prime is 1453255166257. The reversal of 1453255166245 is 5426615523541.

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 901409729476 + 551845436769 = 949426^2 + 742863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1453255166245 is a prime.

It is a super-2 number, since 2×1453255166245² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145325516620 + ... + 145325516629.

It is an arithmetic number, because the mean of its divisors is an integer number (435976549875).

Almost surely, 2^{1453255166245} is an apocalyptic number.

It is an amenable number.

1453255166245 is a deficient number, since it is larger than the sum of its proper divisors (290651033255).

1453255166245 is an equidigital number, since it uses as much as digits as its factorization.

1453255166245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290651033254.

The product of its digits is 4320000, while the sum is 49.

The spelling of 1453255166245 in words is "one trillion, four hundred fifty-three billion, two hundred fifty-five million, one hundred sixty-six thousand, two hundred forty-five".