1457144 has 16 divisors (see below), whose sum is σ = 2942520. Its totient is φ = 672480.

The previous prime is 1457143. The next prime is 1457147. The reversal of 1457144 is 4417541.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6902 + ... + 7109.

2^1457144 is an apocalyptic number.

It is an amenable number.

1457144 is an abundant number, since it is smaller than the sum of its proper divisors (1485376).

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

1457144 is a wasteful number, since it uses less digits than its factorization.

1457144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14030 (or 14026 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 1457144 is about 1207.1221976254. The cubic root of 1457144 is about 113.3706989442.

The spelling of 1457144 in words is "one million, four hundred fifty-seven thousand, one hundred forty-four".