1143255310 has 8 divisors (see below), whose sum is σ = 2057859576. Its totient is φ = 457302120.

The previous prime is 1143255283. The next prime is 1143255343. The reversal of 1143255310 is 135523411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1143255310² = 2614065407686392200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57162756 + ... + 57162775.

It is an arithmetic number, because the mean of its divisors is an integer number (257232447).

Almost surely, 2^1143255310 is an apocalyptic number.

1143255310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143255310 is a deficient number, since it is larger than the sum of its proper divisors (914604266).

1143255310 is a wasteful number, since it uses less digits than its factorization.

1143255310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114325538.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1143255310 is about 33812.0586477665. The cubic root of 1143255310 is about 1045.6373209932.

Adding to 1143255310 its reverse (135523411), we get a palindrome (1278778721).

The spelling of 1143255310 in words is "one billion, one hundred forty-three million, two hundred fifty-five thousand, three hundred ten".