1148944718 has 4 divisors (see below), whose sum is σ = 1723417080. Its totient is φ = 574472358.

The previous prime is 1148944717. The next prime is 1148944721. The reversal of 1148944718 is 8174498411.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148944717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287236178 + ... + 287236181.

It is an arithmetic number, because the mean of its divisors is an integer number (430854270).

Almost surely, 2^1148944718 is an apocalyptic number.

1148944718 is a deficient number, since it is larger than the sum of its proper divisors (574472362).

1148944718 is an equidigital number, since it uses as much as digits as its factorization.

1148944718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574472361.

The product of its digits is 258048, while the sum is 47.

The square root of 1148944718 is about 33896.0870603083. The cubic root of 1148944718 is about 1047.3689890320.

The spelling of 1148944718 in words is "one billion, one hundred forty-eight million, nine hundred forty-four thousand, seven hundred eighteen".