1452442 has 4 divisors (see below), whose sum is σ = 2178666. Its totient is φ = 726220.

The previous prime is 1452439. The next prime is 1452449. The reversal of 1452442 is 2442541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2442541 = 59 ⋅41399.

It can be written as a sum of positive squares in only one way, i.e., 829921 + 622521 = 911^2 + 789^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1452449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363109 + ... + 363112.

2^1452442 is an apocalyptic number.

1452442 is a deficient number, since it is larger than the sum of its proper divisors (726224).

1452442 is an equidigital number, since it uses as much as digits as its factorization.

1452442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726223.

The product of its digits is 1280, while the sum is 22.

The square root of 1452442 is about 1205.1730166246. The cubic root of 1452442 is about 113.2486237441.

Adding to 1452442 its reverse (2442541), we get a palindrome (3894983).

Subtracting 1452442 from its reverse (2442541), we obtain a palindrome (990099).

The spelling of 1452442 in words is "one million, four hundred fifty-two thousand, four hundred forty-two".