1145504041 has 4 divisors (see below), whose sum is σ = 1249640784. Its totient is φ = 1041367300.

The previous prime is 1145504039. The next prime is 1145504077. The reversal of 1145504041 is 1404055411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1145504041 - 2¹ = 1145504039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145503997 and 1145504015.

It is not an unprimeable number, because it can be changed into a prime (1145504141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52068355 + ... + 52068376.

It is an arithmetic number, because the mean of its divisors is an integer number (312410196).

Almost surely, 2^1145504041 is an apocalyptic number.

1145504041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1145504041 is a deficient number, since it is larger than the sum of its proper divisors (104136743).

1145504041 is a wasteful number, since it uses less digits than its factorization.

1145504041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104136742.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1145504041 is about 33845.2956996981. The cubic root of 1145504041 is about 1046.3224456106.

Adding to 1145504041 its reverse (1404055411), we get a palindrome (2549559452).

The spelling of 1145504041 in words is "one billion, one hundred forty-five million, five hundred four thousand, forty-one".