1440275 has 12 divisors (see below), whose sum is σ = 1821312. Its totient is φ = 1129440.

The previous prime is 1440269. The next prime is 1440293. The reversal of 1440275 is 5720441.

It is not a de Polignac number, because 1440275 - 2⁴ = 1440259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1440275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 782 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (151776).

2^1440275 is an apocalyptic number.

1440275 is a deficient number, since it is larger than the sum of its proper divisors (381037).

1440275 is a wasteful number, since it uses less digits than its factorization.

1440275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1440275 is about 1200.1145778633. The cubic root of 1440275 is about 112.9315114778.

The spelling of 1440275 in words is "one million, four hundred forty thousand, two hundred seventy-five".