1440159 has 24 divisors (see below), whose sum is σ = 2279088. Its totient is φ = 806400.

The previous prime is 1440119. The next prime is 1440203. The reversal of 1440159 is 9510441.

It is not a de Polignac number, because 1440159 - 2⁸ = 1439903 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14209 + ... + 14309.

It is an arithmetic number, because the mean of its divisors is an integer number (94962).

2^1440159 is an apocalyptic number.

1440159 is a deficient number, since it is larger than the sum of its proper divisors (838929).

1440159 is a wasteful number, since it uses less digits than its factorization.

1440159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1440159 is about 1200.0662481713. The cubic root of 1440159 is about 112.9284795552.

The spelling of 1440159 in words is "one million, four hundred forty thousand, one hundred fifty-nine".