1145312051 has 8 divisors (see below), whose sum is σ = 1275944880. Its totient is φ = 1020755232.

The previous prime is 1145312041. The next prime is 1145312089. The reversal of 1145312051 is 1502135411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145312051 - 2¹⁴ = 1145295667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145312041) 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, 1518605 + ... + 1519358.

It is an arithmetic number, because the mean of its divisors is an integer number (159493110).

Almost surely, 2^1145312051 is an apocalyptic number.

1145312051 is a deficient number, since it is larger than the sum of its proper divisors (130632829).

1145312051 is a wasteful number, since it uses less digits than its factorization.

1145312051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038005.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1145312051 is about 33842.4592930242. The cubic root of 1145312051 is about 1046.2639867246.

Adding to 1145312051 its reverse (1502135411), we get a palindrome (2647447462).

The spelling of 1145312051 in words is "one billion, one hundred forty-five million, three hundred twelve thousand, fifty-one".