4156554 has 32 divisors (see below), whose sum is σ = 8861760. Its totient is φ = 1299600.

The previous prime is 4156549. The next prime is 4156561. The reversal of 4156554 is 4556514.

Its product of digits (12000) is a multiple of the sum of its prime divisors (125).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41104 + ... + 41204.

It is an arithmetic number, because the mean of its divisors is an integer number (276930).

Almost surely, 2^4156554 is an apocalyptic number.

4156554 is an abundant number, since it is smaller than the sum of its proper divisors (4705206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4156554 is a wasteful number, since it uses less digits than its factorization.

4156554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 125 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 4156554 is about 2038.7628601679. The cubic root of 4156554 is about 160.7846096753.

The spelling of 4156554 in words is "four million, one hundred fifty-six thousand, five hundred fifty-four".