2457156 has 48 divisors (see below), whose sum is σ = 6507200. Its totient is φ = 715392.

The previous prime is 2457139. The next prime is 2457179. The reversal of 2457156 is 6517542.

2457156 is nontrivially palindromic in base 5.

2457156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 2550 + ... + 3378.

2^2457156 is an apocalyptic number.

2457156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2457156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3253600).

2457156 is an abundant number, since it is smaller than the sum of its proper divisors (4050044).

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

2457156 is a wasteful number, since it uses less digits than its factorization.

2457156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 866 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 2457156 is about 1567.5318178589. The cubic root of 2457156 is about 134.9410991337.

The spelling of 2457156 in words is "two million, four hundred fifty-seven thousand, one hundred fifty-six".