148864444 has 12 divisors (see below), whose sum is σ = 275837184. Its totient is φ = 70053824.

The previous prime is 148864421. The next prime is 148864451. The reversal of 148864444 is 444468841.

It is a self number, because there is not a number n which added to its sum of digits gives 148864444.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1094524 + ... + 1094659.

It is an arithmetic number, because the mean of its divisors is an integer number (22986432).

Almost surely, 2^148864444 is an apocalyptic number.

It is an amenable number.

148864444 is a deficient number, since it is larger than the sum of its proper divisors (126972740).

148864444 is a wasteful number, since it uses less digits than its factorization.

148864444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189204 (or 2189202 counting only the distinct ones).

The product of its digits is 393216, while the sum is 43.

The square root of 148864444 is about 12201.0017621505. The cubic root of 148864444 is about 529.9850998540.

Subtracting from 148864444 its sum of digits (43), we obtain a square (148864401 = 12201²).

The spelling of 148864444 in words is "one hundred forty-eight million, eight hundred sixty-four thousand, four hundred forty-four".