1145312504 has 32 divisors (see below), whose sum is σ = 2520576480. Its totient is φ = 477581184.

The previous prime is 1145312503. The next prime is 1145312513. The reversal of 1145312504 is 4052135411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145312503) 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 7 ways as a sum of consecutive naturals, for example, 274307 + ... + 278450.

It is an arithmetic number, because the mean of its divisors is an integer number (78768015).

Almost surely, 2^1145312504 is an apocalyptic number.

1145312504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1145312504 is an abundant number, since it is smaller than the sum of its proper divisors (1375263976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145312504 is a wasteful number, since it uses less digits than its factorization.

1145312504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552807 (or 552803 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1145312504 is about 33842.4659857996. The cubic root of 1145312504 is about 1046.2641246659.

Adding to 1145312504 its reverse (4052135411), we get a palindrome (5197447915).

The spelling of 1145312504 in words is "one billion, one hundred forty-five million, three hundred twelve thousand, five hundred four".