1145524245 has 48 divisors (see below), whose sum is σ = 1930532352. Its totient is φ = 579421440.

The previous prime is 1145524241. The next prime is 1145524291. The reversal of 1145524245 is 5424255411.

It is a happy number.

It is not a de Polignac number, because 1145524245 - 2² = 1145524241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145524241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1305747 + ... + 1306623.

It is an arithmetic number, because the mean of its divisors is an integer number (40219424).

Almost surely, 2^1145524245 is an apocalyptic number.

1145524245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145524245 is a deficient number, since it is larger than the sum of its proper divisors (785008107).

1145524245 is an equidigital number, since it uses as much as digits as its factorization.

1145524245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 969 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 1145524245 is about 33845.5941741314. The cubic root of 1145524245 is about 1046.3285971310.

Adding to 1145524245 its reverse (5424255411), we get a palindrome (6569779656).

The spelling of 1145524245 in words is "one billion, one hundred forty-five million, five hundred twenty-four thousand, two hundred forty-five".