1145403445 has 8 divisors (see below), whose sum is σ = 1382917536. Its totient is φ = 910700496.

The previous prime is 1145403419. The next prime is 1145403449. The reversal of 1145403445 is 5443045411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145403445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145403449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 701887 + ... + 703516.

It is an arithmetic number, because the mean of its divisors is an integer number (172864692).

Almost surely, 2^1145403445 is an apocalyptic number.

It is an amenable number.

1145403445 is a deficient number, since it is larger than the sum of its proper divisors (237514091).

1145403445 is a wasteful number, since it uses less digits than its factorization.

1145403445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405571.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 1145403445 is about 33843.8095521175. The cubic root of 1145403445 is about 1046.2918160274.

Adding to 1145403445 its reverse (5443045411), we get a palindrome (6588448856).

The spelling of 1145403445 in words is "one billion, one hundred forty-five million, four hundred three thousand, four hundred forty-five".