1055073645 has 12 divisors (see below), whose sum is σ = 1828794396. Its totient is φ = 562705920.

The previous prime is 1055073631. The next prime is 1055073653. The reversal of 1055073645 is 5463705501.

1055073645 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 0 + 7 + 3 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 282845124 + 772228521 = 16818^2 + 27789^2 .

It is not a de Polignac number, because 1055073645 - 2⁹ = 1055073133 is a prime.

It is a super-3 number, since 3×1055073645³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11722996 + ... + 11723085.

It is an arithmetic number, because the mean of its divisors is an integer number (152399533).

Almost surely, 2^1055073645 is an apocalyptic number.

1055073645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055073645 is a deficient number, since it is larger than the sum of its proper divisors (773720751).

1055073645 is a wasteful number, since it uses less digits than its factorization.

1055073645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23446092 (or 23446089 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 1055073645 is about 32481.8971890498. The cubic root of 1055073645 is about 1018.0308172925.

The spelling of 1055073645 in words is "one billion, fifty-five million, seventy-three thousand, six hundred forty-five".