1045316028645 has 24 divisors (see below), whose sum is σ = 2070721276416. Its totient is φ = 477858755808.

The previous prime is 1045316028643. The next prime is 1045316028709. The reversal of 1045316028645 is 5468206135401.

1045316028645 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 31 + 602 + 8 + 6 + 4 + 5 = 666.

1045316028645 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 1045316028645 - 2¹ = 1045316028643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1045316028645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045316028641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1659231477 + ... + 1659232106.

It is an arithmetic number, because the mean of its divisors is an integer number (86280053184).

Almost surely, 2^{1045316028645} is an apocalyptic number.

1045316028645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045316028645 is a deficient number, since it is larger than the sum of its proper divisors (1025405247771).

1045316028645 is a wasteful number, since it uses less digits than its factorization.

1045316028645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318463601 (or 3318463598 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 1045316028645 in words is "one trillion, forty-five billion, three hundred sixteen million, twenty-eight thousand, six hundred forty-five".