4425156 has 18 divisors (see below), whose sum is σ = 11185902. Its totient is φ = 1475040.

The previous prime is 4425143. The next prime is 4425181. The reversal of 4425156 is 6515244.

It can be written as a sum of positive squares in only one way, i.e., 2822400 + 1602756 = 1680^2 + 1266^2 .

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

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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, 61425 + ... + 61496.

It is an arithmetic number, because the mean of its divisors is an integer number (621439).

Almost surely, 2^4425156 is an apocalyptic number.

It is an amenable number.

4425156 is an abundant number, since it is smaller than the sum of its proper divisors (6760746).

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

4425156 is a wasteful number, since it uses less digits than its factorization.

4425156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122931 (or 122926 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 4425156 is about 2103.6054763192. The cubic root of 4425156 is about 164.1759464064.

It can be divided in two parts, 44 and 25156, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 4425156 in words is "four million, four hundred twenty-five thousand, one hundred fifty-six".