1440152343 has 48 divisors (see below), whose sum is σ = 2426448960. Its totient is φ = 806141952.

The previous prime is 1440152321. The next prime is 1440152353. The reversal of 1440152343 is 3432510441.

It is a happy number.

It is not a de Polignac number, because 1440152343 - 2¹³ = 1440144151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440152303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 632455 + ... + 634727.

It is an arithmetic number, because the mean of its divisors is an integer number (50551020).

Almost surely, 2^1440152343 is an apocalyptic number.

1440152343 is a deficient number, since it is larger than the sum of its proper divisors (986296617).

1440152343 is a wasteful number, since it uses less digits than its factorization.

1440152343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1440152343 is about 37949.3391642068. The cubic root of 1440152343 is about 1129.2830555452.

Adding to 1440152343 its reverse (3432510441), we get a palindrome (4872662784).

The spelling of 1440152343 in words is "one billion, four hundred forty million, one hundred fifty-two thousand, three hundred forty-three".