1745045653 has 4 divisors (see below), whose sum is σ = 1879279948. Its totient is φ = 1610811360.

The previous prime is 1745045647. The next prime is 1745045663. The reversal of 1745045653 is 3565405471.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3565405471 = 1543 ⋅2310697.

It can be written as a sum of positive squares in 2 ways, for example, as 732405969 + 1012639684 = 27063^2 + 31822^2 .

It is a cyclic number.

It is not a de Polignac number, because 1745045653 - 2¹⁷ = 1744914581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1745045663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67117128 + ... + 67117153.

It is an arithmetic number, because the mean of its divisors is an integer number (469819987).

Almost surely, 2^1745045653 is an apocalyptic number.

1745045653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1745045653 is a deficient number, since it is larger than the sum of its proper divisors (134234295).

1745045653 is a wasteful number, since it uses less digits than its factorization.

1745045653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134234294.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 1745045653 is about 41773.7435837393. The cubic root of 1745045653 is about 1203.9328495071.

The spelling of 1745045653 in words is "one billion, seven hundred forty-five million, forty-five thousand, six hundred fifty-three".