4551156 has 18 divisors (see below), whose sum is σ = 11504402. Its totient is φ = 1517040.

The previous prime is 4551137. The next prime is 4551179. The reversal of 4551156 is 6511554.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4284900 + 266256 = 2070^2 + 516^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63175 + ... + 63246.

Almost surely, 2^4551156 is an apocalyptic number.

It is an amenable number.

4551156 is an abundant number, since it is smaller than the sum of its proper divisors (6953246).

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

4551156 is a wasteful number, since it uses less digits than its factorization.

4551156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126431 (or 126426 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 4551156 is about 2133.3438541407. The cubic root of 4551156 is about 165.7196118270.

The spelling of 4551156 in words is "four million, five hundred fifty-one thousand, one hundred fifty-six".