1145633325 has 12 divisors (see below), whose sum is σ = 1894113888. Its totient is φ = 611004400.

The previous prime is 1145633323. The next prime is 1145633327. The reversal of 1145633325 is 5233365411.

It is an interprime number because it is at equal distance from previous prime (1145633323) and next prime (1145633327).

It is not a de Polignac number, because 1145633325 - 2¹ = 1145633323 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145633323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7637481 + ... + 7637630.

It is an arithmetic number, because the mean of its divisors is an integer number (157842824).

Almost surely, 2^1145633325 is an apocalyptic number.

1145633325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145633325 is a deficient number, since it is larger than the sum of its proper divisors (748480563).

1145633325 is a wasteful number, since it uses less digits than its factorization.

1145633325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15275124 (or 15275119 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 1145633325 is about 33847.2055715091. The cubic root of 1145633325 is about 1046.3618075152.

Adding to 1145633325 its reverse (5233365411), we get a palindrome (6378998736).

The spelling of 1145633325 in words is "one billion, one hundred forty-five million, six hundred thirty-three thousand, three hundred twenty-five".