1055145052453 has 4 divisors (see below), whose sum is σ = 1055253627360. Its totient is φ = 1055036477548.

The previous prime is 1055145052447. The next prime is 1055145052457. The reversal of 1055145052453 is 3542505415501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1055145052453 - 2²⁹ = 1054608181541 is a prime.

It is a super-2 number, since 2×1055145052453² (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 (1055145052457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54272875 + ... + 54292312.

It is an arithmetic number, because the mean of its divisors is an integer number (263813406840).

Almost surely, 2^{1055145052453} is an apocalyptic number.

It is an amenable number.

1055145052453 is a deficient number, since it is larger than the sum of its proper divisors (108574907).

1055145052453 is an equidigital number, since it uses as much as digits as its factorization.

1055145052453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108574906.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 1055145052453 in words is "one trillion, fifty-five billion, one hundred forty-five million, fifty-two thousand, four hundred fifty-three".