1081753645 has 48 divisors (see below), whose sum is σ = 1584472320. Its totient is φ = 706091904.

The previous prime is 1081753627. The next prime is 1081753661. The reversal of 1081753645 is 5463571801.

It is a happy number.

It is not a de Polignac number, because 1081753645 - 2¹¹ = 1081751597 is a prime.

It is a super-3 number, since 3×1081753645³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1081753598 and 1081753607.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 424786 + ... + 427324.

It is an arithmetic number, because the mean of its divisors is an integer number (33009840).

Almost surely, 2^1081753645 is an apocalyptic number.

It is an amenable number.

1081753645 is a deficient number, since it is larger than the sum of its proper divisors (502718675).

1081753645 is a wasteful number, since it uses less digits than its factorization.

1081753645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 1081753645 is about 32890.0234873738. The cubic root of 1081753645 is about 1026.5405808199.

The spelling of 1081753645 in words is "one billion, eighty-one million, seven hundred fifty-three thousand, six hundred forty-five".