1145412045 has 24 divisors (see below), whose sum is σ = 1987408800. Its totient is φ = 610262496.

The previous prime is 1145412031. The next prime is 1145412049. The reversal of 1145412045 is 5402145411.

1145412045 is a `hidden beast` number, since 1 + 1 + 454 + 1 + 204 + 5 = 666.

It is not a de Polignac number, because 1145412045 - 2¹⁴ = 1145395661 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145412049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33366 + ... + 58344.

It is an arithmetic number, because the mean of its divisors is an integer number (82808700).

Almost surely, 2^1145412045 is an apocalyptic number.

1145412045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145412045 is a deficient number, since it is larger than the sum of its proper divisors (841996755).

1145412045 is a wasteful number, since it uses less digits than its factorization.

1145412045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26009 (or 26006 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1145412045 is about 33843.9366061337. The cubic root of 1145412045 is about 1046.2944346351.

Adding to 1145412045 its reverse (5402145411), we get a palindrome (6547557456).

The spelling of 1145412045 in words is "one billion, one hundred forty-five million, four hundred twelve thousand, forty-five".