1145346232157 has 2 divisors, whose sum is σ = 1145346232158. Its totient is φ = 1145346232156.

The previous prime is 1145346232153. The next prime is 1145346232229. The reversal of 1145346232157 is 7512326435411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 612542587801 + 532803644356 = 782651^2 + 729934^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145346232157 - 2² = 1145346232153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145346232153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572673116078 + 572673116079.

It is an arithmetic number, because the mean of its divisors is an integer number (572673116079).

Almost surely, 2^{1145346232157} is an apocalyptic number.

It is an amenable number.

1145346232157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145346232157 is an equidigital number, since it uses as much as digits as its factorization.

1145346232157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 44.

The spelling of 1145346232157 in words is "one trillion, one hundred forty-five billion, three hundred forty-six million, two hundred thirty-two thousand, one hundred fifty-seven".