1140005045 has 4 divisors (see below), whose sum is σ = 1368006060. Its totient is φ = 912004032.

The previous prime is 1140005017. The next prime is 1140005063. The reversal of 1140005045 is 5405000411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5405000411 = 683 ⋅7913617.

It can be written as a sum of positive squares in 2 ways, for example, as 142898116 + 997106929 = 11954^2 + 31577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140005045 - 2⁶ = 1140004981 is a prime.

It is a super-2 number, since 2×1140005045² = 2599223005250904050, which contains 22 as substring.

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, 114000500 + ... + 114000509.

It is an arithmetic number, because the mean of its divisors is an integer number (342001515).

Almost surely, 2^1140005045 is an apocalyptic number.

It is an amenable number.

1140005045 is a deficient number, since it is larger than the sum of its proper divisors (228001015).

1140005045 is an equidigital number, since it uses as much as digits as its factorization.

1140005045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228001014.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1140005045 is about 33763.9607421878. The cubic root of 1140005045 is about 1044.6454678226.

Adding to 1140005045 its reverse (5405000411), we get a palindrome (6545005456).

The spelling of 1140005045 in words is "one billion, one hundred forty million, five thousand, forty-five".