1145022445 has 24 divisors (see below), whose sum is σ = 1618617600. Its totient is φ = 775206432.

The previous prime is 1145022443. The next prime is 1145022449. The reversal of 1145022445 is 5442205411.

It is not a de Polignac number, because 1145022445 - 2¹ = 1145022443 is a prime.

It is a super-2 number, since 2×1145022445² = 2622152799107556050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145022443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10225 + ... + 48934.

It is an arithmetic number, because the mean of its divisors is an integer number (67442400).

Almost surely, 2^1145022445 is an apocalyptic number.

It is an amenable number.

1145022445 is a deficient number, since it is larger than the sum of its proper divisors (473595155).

1145022445 is an equidigital number, since it uses as much as digits as its factorization.

1145022445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59257 (or 59250 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1145022445 is about 33838.1802849976. The cubic root of 1145022445 is about 1046.1757924574.

Adding to 1145022445 its reverse (5442205411), we get a palindrome (6587227856).

The spelling of 1145022445 in words is "one billion, one hundred forty-five million, twenty-two thousand, four hundred forty-five".