1054454561545 has 16 divisors (see below), whose sum is σ = 1577573578368. Its totient is φ = 657322323840.

The previous prime is 1054454561543. The next prime is 1054454561593. The reversal of 1054454561545 is 5451654544501.

1054454561545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1054454561545 - 2¹ = 1054454561543 is a prime.

It is a super-2 number, since 2×1054454561545² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054454561543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369421124 + ... + 1369421893.

It is an arithmetic number, because the mean of its divisors is an integer number (98598348648).

Almost surely, 2^{1054454561545} is an apocalyptic number.

It is an amenable number.

1054454561545 is a deficient number, since it is larger than the sum of its proper divisors (523119016823).

1054454561545 is a wasteful number, since it uses less digits than its factorization.

1054454561545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738843040.

The product of its (nonzero) digits is 4800000, while the sum is 49.

The spelling of 1054454561545 in words is "one trillion, fifty-four billion, four hundred fifty-four million, five hundred sixty-one thousand, five hundred forty-five".