1442158 has 4 divisors (see below), whose sum is σ = 2163240. Its totient is φ = 721078.

The previous prime is 1442143. The next prime is 1442159. The reversal of 1442158 is 8512441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360538 + ... + 360541.

It is an arithmetic number, because the mean of its divisors is an integer number (540810).

2^1442158 is an apocalyptic number.

1442158 is a deficient number, since it is larger than the sum of its proper divisors (721082).

1442158 is an equidigital number, since it uses as much as digits as its factorization.

1442158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721081.

The product of its digits is 1280, while the sum is 25.

The square root of 1442158 is about 1200.8988300436. The cubic root of 1442158 is about 112.9807051923.

Adding to 1442158 its reverse (8512441), we get a palindrome (9954599).

It can be divided in two parts, 1442 and 158, that added together give a square (1600 = 40²).

The spelling of 1442158 in words is "one million, four hundred forty-two thousand, one hundred fifty-eight".