148019944 has 32 divisors (see below), whose sum is σ = 289996200. Its totient is φ = 70739200.

The previous prime is 148019941. The next prime is 148019987. The reversal of 148019944 is 449910841.

It can be written as a sum of positive squares in 4 ways, for example, as 147331044 + 688900 = 12138^2 + 830^2 .

It is a junction number, because it is equal to n+sod(n) for n = 148019897 and 148019906.

It is not an unprimeable number, because it can be changed into a prime (148019941) 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 in 7 ways as a sum of consecutive naturals, for example, 20274 + ... + 26590.

Almost surely, 2^148019944 is an apocalyptic number.

It is an amenable number.

148019944 is a deficient number, since it is larger than the sum of its proper divisors (141976256).

148019944 is a wasteful number, since it uses less digits than its factorization.

148019944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453 (or 6449 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 148019944 is about 12166.3447263342. The cubic root of 148019944 is about 528.9810063899.

The spelling of 148019944 in words is "one hundred forty-eight million, nineteen thousand, nine hundred forty-four".