1145136228527 has 2 divisors, whose sum is σ = 1145136228528. Its totient is φ = 1145136228526.

The previous prime is 1145136228517. The next prime is 1145136228559. The reversal of 1145136228527 is 7258226315411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145136228527 - 2¹⁶ = 1145136162991 is a prime.

It is a super-2 number, since 2×1145136228527² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145136228517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572568114263 + 572568114264.

It is an arithmetic number, because the mean of its divisors is an integer number (572568114264).

Almost surely, 2^{1145136228527} is an apocalyptic number.

1145136228527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145136228527 is an equidigital number, since it uses as much as digits as its factorization.

1145136228527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 47.

The spelling of 1145136228527 in words is "one trillion, one hundred forty-five billion, one hundred thirty-six million, two hundred twenty-eight thousand, five hundred twenty-seven".