148511444 has 6 divisors (see below), whose sum is σ = 259895034. Its totient is φ = 74255720.

The previous prime is 148511431. The next prime is 148511449. The reversal of 148511444 is 444115841.

It can be written as a sum of positive squares in only one way, i.e., 104448400 + 44063044 = 10220^2 + 6638^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 148511444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148511449) by changing a digit.

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 as a sum of consecutive naturals, namely, 18563927 + ... + 18563934.

It is an arithmetic number, because the mean of its divisors is an integer number (43315839).

Almost surely, 2^148511444 is an apocalyptic number.

It is an amenable number.

148511444 is a deficient number, since it is larger than the sum of its proper divisors (111383590).

148511444 is a wasteful number, since it uses less digits than its factorization.

148511444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37127865 (or 37127863 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 148511444 is about 12186.5271509155. The cubic root of 148511444 is about 529.5658530829.

The spelling of 148511444 in words is "one hundred forty-eight million, five hundred eleven thousand, four hundred forty-four".