1442464 has 12 divisors (see below), whose sum is σ = 2839914. Its totient is φ = 721216.

The previous prime is 1442459. The next prime is 1442509. The reversal of 1442464 is 4642441.

It can be written as a sum of positive squares in only one way, i.e., 1192464 + 250000 = 1092^2 + 500^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22507 + ... + 22570.

2^1442464 is an apocalyptic number.

It is an amenable number.

1442464 is a deficient number, since it is larger than the sum of its proper divisors (1397450).

1442464 is an equidigital number, since it uses as much as digits as its factorization.

1442464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45087 (or 45079 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 1442464 is about 1201.0262278568. The cubic root of 1442464 is about 112.9886954520.

The spelling of 1442464 in words is "one million, four hundred forty-two thousand, four hundred sixty-four".