1141242245 has 64 divisors (see below), whose sum is σ = 1668522240. Its totient is φ = 738201600.

The previous prime is 1141242217. The next prime is 1141242259. The reversal of 1141242245 is 5422421411.

It is not a de Polignac number, because 1141242245 - 2⁸ = 1141241989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4735325 + ... + 4735565.

It is an arithmetic number, because the mean of its divisors is an integer number (26070660).

Almost surely, 2^1141242245 is an apocalyptic number.

It is an amenable number.

1141242245 is a deficient number, since it is larger than the sum of its proper divisors (527279995).

1141242245 is a wasteful number, since it uses less digits than its factorization.

1141242245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its digits is 2560, while the sum is 26.

The square root of 1141242245 is about 33782.2770842938. The cubic root of 1141242245 is about 1045.0232346047.

Adding to 1141242245 its reverse (5422421411), we get a palindrome (6563663656).

The spelling of 1141242245 in words is "one billion, one hundred forty-one million, two hundred forty-two thousand, two hundred forty-five".