1145512532 has 12 divisors (see below), whose sum is σ = 2042470836. Its totient is φ = 561949440.

The previous prime is 1145512531. The next prime is 1145512541. The reversal of 1145512532 is 2352155411.

It can be written as a sum of positive squares in 2 ways, for example, as 1012894276 + 132618256 = 31826^2 + 11516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1145512495 and 1145512504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145512531) 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 3 ways as a sum of consecutive naturals, for example, 2701469 + ... + 2701892.

It is an arithmetic number, because the mean of its divisors is an integer number (170205903).

Almost surely, 2^1145512532 is an apocalyptic number.

It is an amenable number.

1145512532 is a deficient number, since it is larger than the sum of its proper divisors (896958304).

1145512532 is a wasteful number, since it uses less digits than its factorization.

1145512532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403418 (or 5403416 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 1145512532 is about 33845.4211378733. The cubic root of 1145512532 is about 1046.3250308777.

Adding to 1145512532 its reverse (2352155411), we get a palindrome (3497667943).

The spelling of 1145512532 in words is "one billion, one hundred forty-five million, five hundred twelve thousand, five hundred thirty-two".