148491944 has 32 divisors (see below), whose sum is σ = 282375720. Its totient is φ = 73199616.

The previous prime is 148491929. The next prime is 148491997. The reversal of 148491944 is 449194841.

148491944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 66227044 + 82264900 = 8138^2 + 9070^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 148491895 and 148491904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250112 + ... + 250704.

Almost surely, 2^148491944 is an apocalyptic number.

It is an amenable number.

148491944 is a deficient number, since it is larger than the sum of its proper divisors (133883776).

148491944 is a wasteful number, since it uses less digits than its factorization.

148491944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 985 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 148491944 is about 12185.7270607871. The cubic root of 148491944 is about 529.5426742045.

The spelling of 148491944 in words is "one hundred forty-eight million, four hundred ninety-one thousand, nine hundred forty-four".