1145224525 has 12 divisors (see below), whose sum is σ = 1494820000. Its totient is φ = 867959280.

The previous prime is 1145224519. The next prime is 1145224543. The reversal of 1145224525 is 5254225411.

It is not a de Polignac number, because 1145224525 - 2³ = 1145224517 is a prime.

It is a super-2 number, since 2×1145224525² = 2623078425322951250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1205025 + ... + 1205974.

Almost surely, 2^1145224525 is an apocalyptic number.

It is an amenable number.

1145224525 is a deficient number, since it is larger than the sum of its proper divisors (349595475).

1145224525 is a wasteful number, since it uses less digits than its factorization.

1145224525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411028 (or 2411023 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 1145224525 is about 33841.1661294347. The cubic root of 1145224525 is about 1046.2373338328.

Adding to 1145224525 its reverse (5254225411), we get a palindrome (6399449936).

The spelling of 1145224525 in words is "one billion, one hundred forty-five million, two hundred twenty-four thousand, five hundred twenty-five".