1146123465 has 24 divisors (see below), whose sum is σ = 1917007680. Its totient is φ = 584685024.

The previous prime is 1146123437. The next prime is 1146123481. The reversal of 1146123465 is 5643216411.

It is not a de Polignac number, because 1146123465 - 2⁶ = 1146123401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64285 + ... + 80154.

It is an arithmetic number, because the mean of its divisors is an integer number (79875320).

Almost surely, 2^1146123465 is an apocalyptic number.

1146123465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1146123465 is a deficient number, since it is larger than the sum of its proper divisors (770884215).

1146123465 is a wasteful number, since it uses less digits than its factorization.

1146123465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144493 (or 144470 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 1146123465 is about 33854.4452768023. The cubic root of 1146123465 is about 1046.5110090216.

Adding to 1146123465 its reverse (5643216411), we get a palindrome (6789339876).

The spelling of 1146123465 in words is "one billion, one hundred forty-six million, one hundred twenty-three thousand, four hundred sixty-five".