1153745045 has 4 divisors (see below), whose sum is σ = 1384494060. Its totient is φ = 922996032.

The previous prime is 1153745023. The next prime is 1153745081. The reversal of 1153745045 is 5405473511.

It is a happy number.

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 461476324 + 692268721 = 21482^2 + 26311^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153745045 - 2¹⁴ = 1153728661 is a prime.

It is a super-2 number, since 2×1153745045² = 2662255257724104050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1153744996 and 1153745014.

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 3 ways as a sum of consecutive naturals, for example, 115374500 + ... + 115374509.

It is an arithmetic number, because the mean of its divisors is an integer number (346123515).

Almost surely, 2^1153745045 is an apocalyptic number.

It is an amenable number.

1153745045 is a deficient number, since it is larger than the sum of its proper divisors (230749015).

1153745045 is an equidigital number, since it uses as much as digits as its factorization.

1153745045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230749014.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 1153745045 is about 33966.8227098149. The cubic root of 1153745045 is about 1048.8256091183.

The spelling of 1153745045 in words is "one billion, one hundred fifty-three million, seven hundred forty-five thousand, forty-five".