1443442 has 48 divisors (see below), whose sum is σ = 2987712. Its totient is φ = 514080.

The previous prime is 1443439. The next prime is 1443461. The reversal of 1443442 is 2443441.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 13963 + ... + 14065.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2^1443442 is an apocalyptic number.

1443442 is an abundant number, since it is smaller than the sum of its proper divisors (1544270).

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

1443442 is a wasteful number, since it uses less digits than its factorization.

1443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 136 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 1443442 is about 1201.4333106752. The cubic root of 1443442 is about 113.0142253739.

Adding to 1443442 its reverse (2443441), we get a palindrome (3886883).

Subtracting 1443442 from its reverse (2443441), we obtain a palindrome (999999).

The spelling of 1443442 in words is "one million, four hundred forty-three thousand, four hundred forty-two".