4000154 has 8 divisors (see below), whose sum is σ = 6012948. Its totient is φ = 1995840.

The previous prime is 4000153. The next prime is 4000159. The reversal of 4000154 is 4510004.

4000154 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 2 ways, for example, as 3667225 + 332929 = 1915^2 + 577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

4000154 is a modest number, since divided by 154 gives 4 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4000153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767 + ... + 2930.

Almost surely, 2^4000154 is an apocalyptic number.

4000154 is a deficient number, since it is larger than the sum of its proper divisors (2012794).

4000154 is a wasteful number, since it uses less digits than its factorization.

4000154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4000154 is about 2000.0384996294. The cubic root of 4000154 is about 158.7421423354.

Adding to 4000154 its reverse (4510004), we get a palindrome (8510158).

The spelling of 4000154 in words is "four million, one hundred fifty-four", and thus it is an aban number.