1145132255 has 16 divisors (see below), whose sum is σ = 1425513600. Its totient is φ = 882435840.

The previous prime is 1145132201. The next prime is 1145132279. The reversal of 1145132255 is 5522315411.

It is not a de Polignac number, because 1145132255 - 2¹⁰ = 1145131231 is a prime.

It is a super-2 number, since 2×1145132255² = 2622655762882770050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19160 + ... + 51549.

It is an arithmetic number, because the mean of its divisors is an integer number (89094600).

Almost surely, 2^1145132255 is an apocalyptic number.

1145132255 is a deficient number, since it is larger than the sum of its proper divisors (280381345).

1145132255 is an equidigital number, since it uses as much as digits as its factorization.

1145132255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70834.

The product of its digits is 6000, while the sum is 29.

The square root of 1145132255 is about 33839.8028215296. The cubic root of 1145132255 is about 1046.2092348562.

Adding to 1145132255 its reverse (5522315411), we get a palindrome (6667447666).

The spelling of 1145132255 in words is "one billion, one hundred forty-five million, one hundred thirty-two thousand, two hundred fifty-five".