1442764 has 12 divisors (see below), whose sum is σ = 2534224. Its totient is φ = 718704.

The previous prime is 1442743. The next prime is 1442783. The reversal of 1442764 is 4672441.

Its product of digits (5376) is a multiple of the sum of its prime factors (1344).

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, 1009 + ... + 1975.

2^1442764 is an apocalyptic number.

It is an amenable number.

1442764 is a deficient number, since it is larger than the sum of its proper divisors (1091460).

1442764 is a wasteful number, since it uses less digits than its factorization.

1442764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 1342 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 1442764 is about 1201.1511145564. The cubic root of 1442764 is about 112.9965279430.

It can be divided in two parts, 14 and 42764, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 1442764 in words is "one million, four hundred forty-two thousand, seven hundred sixty-four".