1455242 has 4 divisors (see below), whose sum is σ = 2182866. Its totient is φ = 727620.

The previous prime is 1455241. The next prime is 1455253. The reversal of 1455242 is 2425541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1142761 + 312481 = 1069^2 + 559^2 .

It is not an unprimeable number, because it can be changed into a prime (1455241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363809 + ... + 363812.

2^1455242 is an apocalyptic number.

1455242 is a deficient number, since it is larger than the sum of its proper divisors (727624).

1455242 is an equidigital number, since it uses as much as digits as its factorization.

1455242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727623.

The product of its digits is 1600, while the sum is 23.

The square root of 1455242 is about 1206.3341162381. The cubic root of 1455242 is about 113.3213501363.

Subtracting 1455242 from its reverse (2425541), we obtain a cube (970299 = 99³).

The spelling of 1455242 in words is "one million, four hundred fifty-five thousand, two hundred forty-two".