1457242 has 8 divisors (see below), whose sum is σ = 2199456. Its totient is φ = 724092.

The previous prime is 1457219. The next prime is 1457251. The reversal of 1457242 is 2427541.

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

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 3 ways as a sum of consecutive naturals, for example, 1848 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (274932).

2^1457242 is an apocalyptic number.

1457242 is a deficient number, since it is larger than the sum of its proper divisors (742214).

1457242 is a wasteful number, since it uses less digits than its factorization.

1457242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532.

The product of its digits is 2240, while the sum is 25.

The square root of 1457242 is about 1207.1627893536. The cubic root of 1457242 is about 113.3732404637.

Subtracting 1457242 from its reverse (2427541), we obtain a cube (970299 = 99³).

The spelling of 1457242 in words is "one million, four hundred fifty-seven thousand, two hundred forty-two".