1457442 has 48 divisors (see below), whose sum is σ = 3706560. Its totient is φ = 405216.

The previous prime is 1457437. The next prime is 1457459. The reversal of 1457442 is 2447541.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5284 + ... + 5552.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2^1457442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1457442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853280).

1457442 is an abundant number, since it is smaller than the sum of its proper divisors (2249118).

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

1457442 is a wasteful number, since it uses less digits than its factorization.

1457442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 324 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 1457442 is about 1207.2456253804. The cubic root of 1457442 is about 113.3784268845.

Subtracting 1457442 from its reverse (2447541), we obtain a palindrome (990099).

The spelling of 1457442 in words is "one million, four hundred fifty-seven thousand, four hundred forty-two".