1145345525 has 12 divisors (see below), whose sum is σ = 1426492032. Its totient is φ = 912235440.

The previous prime is 1145345521. The next prime is 1145345527. The reversal of 1145345525 is 5255435411.

It is not a de Polignac number, because 1145345525 - 2² = 1145345521 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 (1145345521) 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, 95237 + ... + 106586.

It is an arithmetic number, because the mean of its divisors is an integer number (118874336).

Almost surely, 2^1145345525 is an apocalyptic number.

It is an amenable number.

1145345525 is a deficient number, since it is larger than the sum of its proper divisors (281146507).

1145345525 is a wasteful number, since it uses less digits than its factorization.

1145345525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202060 (or 202055 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 1145345525 is about 33842.9538456678. The cubic root of 1145345525 is about 1046.2741796671.

The spelling of 1145345525 in words is "one billion, one hundred forty-five million, three hundred forty-five thousand, five hundred twenty-five".