57144254 has 8 divisors (see below), whose sum is σ = 86890800. Its totient is φ = 28180656.

The previous prime is 57144247. The next prime is 57144277. The reversal of 57144254 is 45244175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57144254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195554 + ... + 195845.

It is an arithmetic number, because the mean of its divisors is an integer number (10861350).

Almost surely, 2^57144254 is an apocalyptic number.

57144254 is a deficient number, since it is larger than the sum of its proper divisors (29746546).

57144254 is a wasteful number, since it uses less digits than its factorization.

57144254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391474.

The product of its digits is 22400, while the sum is 32.

The square root of 57144254 is about 7559.3818530353. The cubic root of 57144254 is about 385.1744955899.

The spelling of 57144254 in words is "fifty-seven million, one hundred forty-four thousand, two hundred fifty-four".