2445156 has 72 divisors (see below), whose sum is σ = 7314944. Its totient is φ = 673920.

The previous prime is 2445139. The next prime is 2445173. The reversal of 2445156 is 6515442.

2445156 is nontrivially palindromic in base 5.

2445156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2445139) and next prime (2445173).

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7656 + ... + 7968.

2^2445156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2445156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3657472).

2445156 is an abundant number, since it is smaller than the sum of its proper divisors (4869788).

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

2445156 is a wasteful number, since it uses less digits than its factorization.

2445156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 356 counting only the distinct ones).

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

The square root of 2445156 is about 1563.6994596149. The cubic root of 2445156 is about 134.7210701775.

It can be divided in two parts, 2445 and 156, that added together give a square (2601 = 51²).

The spelling of 2445156 in words is "two million, four hundred forty-five thousand, one hundred fifty-six".