1148261456 has 10 divisors (see below), whose sum is σ = 2224756602. Its totient is φ = 574130720.

The previous prime is 1148261437. The next prime is 1148261473. The reversal of 1148261456 is 6541628411.

It can be written as a sum of positive squares in only one way, i.e., 970945600 + 177315856 = 31160^2 + 13316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35883155 + ... + 35883186.

Almost surely, 2^1148261456 is an apocalyptic number.

1148261456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1148261456 is a deficient number, since it is larger than the sum of its proper divisors (1076495146).

1148261456 is an equidigital number, since it uses as much as digits as its factorization.

1148261456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71766349 (or 71766343 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 1148261456 is about 33886.0067874632. The cubic root of 1148261456 is about 1047.1613291032.

Adding to 1148261456 its reverse (6541628411), we get a palindrome (7689889867).

The spelling of 1148261456 in words is "one billion, one hundred forty-eight million, two hundred sixty-one thousand, four hundred fifty-six".