1145154246831 has 96 divisors (see below), whose sum is σ = 2064314703360. Its totient is φ = 619721197056.

The previous prime is 1145154246751. The next prime is 1145154246881. The reversal of 1145154246831 is 1386424515411.

1145154246831 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 154 + 2 + 468 + 31 = 666.

It is not a de Polignac number, because 1145154246831 - 2⁹ = 1145154246319 is a prime.

It is a super-3 number, since 3×1145154246831³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145154246881) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 159555315 + ... + 159562491.

It is an arithmetic number, because the mean of its divisors is an integer number (21503278160).

Almost surely, 2^{1145154246831} is an apocalyptic number.

1145154246831 is a deficient number, since it is larger than the sum of its proper divisors (919160456529).

1145154246831 is an equidigital number, since it uses as much as digits as its factorization.

1145154246831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155 (or 12143 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The spelling of 1145154246831 in words is "one trillion, one hundred forty-five billion, one hundred fifty-four million, two hundred forty-six thousand, eight hundred thirty-one".