2557144 has 32 divisors (see below), whose sum is σ = 5047920. Its totient is φ = 1213056.

The previous prime is 2557127. The next prime is 2557169. The reversal of 2557144 is 4417552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15607 + ... + 15769.

2^2557144 is an apocalyptic number.

It is an amenable number.

2557144 is a deficient number, since it is larger than the sum of its proper divisors (2490776).

2557144 is a wasteful number, since it uses less digits than its factorization.

2557144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 255 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 2557144 is about 1599.1072509372. The cubic root of 2557144 is about 136.7471850200.

It can be divided in two parts, 2557 and 144, that added together give a triangular number (2701 = T₇₃).

The spelling of 2557144 in words is "two million, five hundred fifty-seven thousand, one hundred forty-four".