148448444 has 12 divisors (see below), whose sum is σ = 273457800. Its totient is φ = 70317648.

The previous prime is 148448431. The next prime is 148448453. The reversal of 148448444 is 444844841.

It is a super-2 number, since 2×148448444² = 44073881052042272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976559 + ... + 976710.

It is an arithmetic number, because the mean of its divisors is an integer number (22788150).

Almost surely, 2^148448444 is an apocalyptic number.

It is an amenable number.

148448444 is a deficient number, since it is larger than the sum of its proper divisors (125009356).

148448444 is a wasteful number, since it uses less digits than its factorization.

148448444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953292 (or 1953290 counting only the distinct ones).

The product of its digits is 262144, while the sum is 41.

The square root of 148448444 is about 12183.9420550165. The cubic root of 148448444 is about 529.4909601621.

The spelling of 148448444 in words is "one hundred forty-eight million, four hundred forty-eight thousand, four hundred forty-four".