148261448 has 8 divisors (see below), whose sum is σ = 277990230. Its totient is φ = 74130720.

The previous prime is 148261411. The next prime is 148261457. The reversal of 148261448 is 844162841.

It can be written as a sum of positive squares in only one way, i.e., 98446084 + 49815364 = 9922^2 + 7058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 9266333 + ... + 9266348.

Almost surely, 2^148261448 is an apocalyptic number.

It is an amenable number.

148261448 is a deficient number, since it is larger than the sum of its proper divisors (129728782).

148261448 is a wasteful number, since it uses less digits than its factorization.

148261448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18532687 (or 18532683 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 148261448 is about 12176.2657658249. The cubic root of 148261448 is about 529.2685388454.

The spelling of 148261448 in words is "one hundred forty-eight million, two hundred sixty-one thousand, four hundred forty-eight".