1045443684765 has 16 divisors (see below), whose sum is σ = 1674240306048. Its totient is φ = 557059828416.

The previous prime is 1045443684749. The next prime is 1045443684809. The reversal of 1045443684765 is 5674863445401.

It is not a de Polignac number, because 1045443684765 - 2⁴ = 1045443684749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31866609 + ... + 31899398.

It is an arithmetic number, because the mean of its divisors is an integer number (104640019128).

Almost surely, 2^{1045443684765} is an apocalyptic number.

1045443684765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045443684765 is a deficient number, since it is larger than the sum of its proper divisors (628796621283).

1045443684765 is a wasteful number, since it uses less digits than its factorization.

1045443684765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63767108.

The product of its (nonzero) digits is 38707200, while the sum is 57.

The spelling of 1045443684765 in words is "one trillion, forty-five billion, four hundred forty-three million, six hundred eighty-four thousand, seven hundred sixty-five".