1153445045 has 4 divisors (see below), whose sum is σ = 1384134060. Its totient is φ = 922756032.

The previous prime is 1153445023. The next prime is 1153445063. The reversal of 1153445045 is 5405443511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 648364369 + 505080676 = 25463^2 + 22474^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153445045 - 2²² = 1149250741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115344500 + ... + 115344509.

It is an arithmetic number, because the mean of its divisors is an integer number (346033515).

Almost surely, 2^1153445045 is an apocalyptic number.

It is an amenable number.

1153445045 is a deficient number, since it is larger than the sum of its proper divisors (230689015).

1153445045 is an equidigital number, since it uses as much as digits as its factorization.

1153445045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230689014.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1153445045 is about 33962.4063487851. The cubic root of 1153445045 is about 1048.7346950526.

Adding to 1153445045 its reverse (5405443511), we get a palindrome (6558888556).

The spelling of 1153445045 in words is "one billion, one hundred fifty-three million, four hundred forty-five thousand, forty-five".