1053861145 has 16 divisors (see below), whose sum is σ = 1271405520. Its totient is φ = 838589184.

The previous prime is 1053861143. The next prime is 1053861191. The reversal of 1053861145 is 5411683501.

1053861145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 70913241 + 982947904 = 8421^2 + 31352^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053861145 - 2¹ = 1053861143 is a prime.

It is a super-2 number, since 2×1053861145² = 2221246625881422050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1053861145.

It is not an unprimeable number, because it can be changed into a prime (1053861143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321887 + ... + 1322683.

It is an arithmetic number, because the mean of its divisors is an integer number (79462845).

Almost surely, 2^1053861145 is an apocalyptic number.

It is an amenable number.

1053861145 is a deficient number, since it is larger than the sum of its proper divisors (217544375).

1053861145 is an equidigital number, since it uses as much as digits as its factorization.

1053861145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1053861145 is about 32463.2275813727. The cubic root of 1053861145 is about 1017.6406911243.

The spelling of 1053861145 in words is "one billion, fifty-three million, eight hundred sixty-one thousand, one hundred forty-five".