4000148 has 6 divisors (see below), whose sum is σ = 7000266. Its totient is φ = 2000072.

The previous prime is 4000133. The next prime is 4000153. The reversal of 4000148 is 8410004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3928324 + 71824 = 1982^2 + 268^2 .

4000148 is a modest number, since divided by 148 gives 4 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500015 + ... + 500022.

It is an arithmetic number, because the mean of its divisors is an integer number (1166711).

Almost surely, 2^4000148 is an apocalyptic number.

It is an amenable number.

4000148 is a deficient number, since it is larger than the sum of its proper divisors (3000118).

4000148 is a wasteful number, since it uses less digits than its factorization.

4000148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000041 (or 1000039 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4000148 is about 2000.0369996578. The cubic root of 4000148 is about 158.7420629673.

The spelling of 4000148 in words is "four million, one hundred forty-eight", and thus it is an aban number.