1148450140 has 24 divisors (see below), whose sum is σ = 2417041872. Its totient is φ = 458371200.

The previous prime is 1148450137. The next prime is 1148450159. The reversal of 1148450140 is 410548411.

It is a junction number, because it is equal to n+sod(n) for n = 1148450099 and 1148450108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53686 + ... + 71965.

It is an arithmetic number, because the mean of its divisors is an integer number (100710078).

Almost surely, 2^1148450140 is an apocalyptic number.

1148450140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148450140 is an abundant number, since it is smaller than the sum of its proper divisors (1268591732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148450140 is a wasteful number, since it uses less digits than its factorization.

1148450140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126117 (or 126115 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1148450140 is about 33888.7907721713. The cubic root of 1148450140 is about 1047.2186829883.

Adding to 1148450140 its reverse (410548411), we get a palindrome (1558998551).

The spelling of 1148450140 in words is "one billion, one hundred forty-eight million, four hundred fifty thousand, one hundred forty".