1148331145 has 16 divisors (see below), whose sum is σ = 1501883712. Its totient is φ = 837777600.

The previous prime is 1148331137. The next prime is 1148331203. The reversal of 1148331145 is 5411338411.

It is not a de Polignac number, because 1148331145 - 2³ = 1148331137 is a prime.

It is a super-2 number, since 2×1148331145² = 2637328837154022050, which contains 22 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 101031 + ... + 111820.

It is an arithmetic number, because the mean of its divisors is an integer number (93867732).

Almost surely, 2^1148331145 is an apocalyptic number.

It is an amenable number.

1148331145 is a deficient number, since it is larger than the sum of its proper divisors (353552567).

1148331145 is a wasteful number, since it uses less digits than its factorization.

1148331145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212952.

The product of its digits is 5760, while the sum is 31.

The square root of 1148331145 is about 33887.0350576736. The cubic root of 1148331145 is about 1047.1825130561.

Adding to 1148331145 its reverse (5411338411), we get a palindrome (6559669556).

The spelling of 1148331145 in words is "one billion, one hundred forty-eight million, three hundred thirty-one thousand, one hundred forty-five".