1145321230 has 16 divisors (see below), whose sum is σ = 2061993024. Its totient is φ = 458036320.

The previous prime is 1145321209. The next prime is 1145321279. The reversal of 1145321230 is 321235411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64635 + ... + 80425.

It is an arithmetic number, because the mean of its divisors is an integer number (128874564).

Almost surely, 2^1145321230 is an apocalyptic number.

1145321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145321230 is a deficient number, since it is larger than the sum of its proper divisors (916671794).

1145321230 is a wasteful number, since it uses less digits than its factorization.

1145321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23051.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1145321230 is about 33842.5949064193. The cubic root of 1145321230 is about 1046.2667817799.

Adding to 1145321230 its reverse (321235411), we get a palindrome (1466556641).

The spelling of 1145321230 in words is "one billion, one hundred forty-five million, three hundred twenty-one thousand, two hundred thirty".