1148306450 has 12 divisors (see below), whose sum is σ = 2135850090. Its totient is φ = 459322560.

The previous prime is 1148306449. The next prime is 1148306473. The reversal of 1148306450 is 546038411.

It can be written as a sum of positive squares in 3 ways, for example, as 875627281 + 272679169 = 29591^2 + 16513^2 .

It is a super-2 number, since 2×1148306450² = 2637215406223205000, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 11483015 + ... + 11483114.

Almost surely, 2^1148306450 is an apocalyptic number.

1148306450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1148306450 is a deficient number, since it is larger than the sum of its proper divisors (987543640).

1148306450 is a wasteful number, since it uses less digits than its factorization.

1148306450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22966141 (or 22966136 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1148306450 is about 33886.6706833233. The cubic root of 1148306450 is about 1047.1750064068.

The spelling of 1148306450 in words is "one billion, one hundred forty-eight million, three hundred six thousand, four hundred fifty".