1455442 has 8 divisors (see below), whose sum is σ = 2192256. Its totient is φ = 724692.

The previous prime is 1455439. The next prime is 1455491. The reversal of 1455442 is 2445541.

It is a happy number.

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

It is a super-2 number, since 2×1455442² = 4236622830728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858 + ... + 1909.

It is an arithmetic number, because the mean of its divisors is an integer number (274032).

2^1455442 is an apocalyptic number.

1455442 is a deficient number, since it is larger than the sum of its proper divisors (736814).

1455442 is a wasteful number, since it uses less digits than its factorization.

1455442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032.

The product of its digits is 3200, while the sum is 25.

The square root of 1455442 is about 1206.4170091639. The cubic root of 1455442 is about 113.3265413077.

Subtracting 1455442 from its reverse (2445541), we obtain a palindrome (990099).

The spelling of 1455442 in words is "one million, four hundred fifty-five thousand, four hundred forty-two".