1148264447 has 8 divisors (see below), whose sum is σ = 1268509440. Its totient is φ = 1030662360.

The previous prime is 1148264437. The next prime is 1148264479. The reversal of 1148264447 is 7444628411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1148264447 - 2¹⁴ = 1148248063 is a prime.

It is a super-2 number, since 2×1148264447² = 2637022480488431618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148264437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659813 + ... + 661550.

It is an arithmetic number, because the mean of its divisors is an integer number (158563680).

Almost surely, 2^1148264447 is an apocalyptic number.

1148264447 is a deficient number, since it is larger than the sum of its proper divisors (120244993).

1148264447 is a wasteful number, since it uses less digits than its factorization.

1148264447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321453.

The product of its digits is 172032, while the sum is 41.

The square root of 1148264447 is about 33886.0509206960. The cubic root of 1148264447 is about 1047.1622383203.

The spelling of 1148264447 in words is "one billion, one hundred forty-eight million, two hundred sixty-four thousand, four hundred forty-seven".