1440152043 has 24 divisors (see below), whose sum is σ = 2117674944. Its totient is φ = 869909040.

The previous prime is 1440152029. The next prime is 1440152053. The reversal of 1440152043 is 3402510441.

It is not a de Polignac number, because 1440152043 - 2¹⁰ = 1440151019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440152003) 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, 104980 + ... + 117902.

It is an arithmetic number, because the mean of its divisors is an integer number (88236456).

Almost surely, 2^1440152043 is an apocalyptic number.

1440152043 is a deficient number, since it is larger than the sum of its proper divisors (677522901).

1440152043 is a wasteful number, since it uses less digits than its factorization.

1440152043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13255 (or 13244 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1440152043 is about 37949.3352115686. The cubic root of 1440152043 is about 1129.2829771310.

Adding to 1440152043 its reverse (3402510441), we get a palindrome (4842662484).

The spelling of 1440152043 in words is "one billion, four hundred forty million, one hundred fifty-two thousand, forty-three".