1450040239 has 4 divisors (see below), whose sum is σ = 1451039656. Its totient is φ = 1449040824.

The previous prime is 1450040237. The next prime is 1450040257. The reversal of 1450040239 is 9320400541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9320400541 = 16427 ⋅567383.

It is a cyclic number.

It is not a de Polignac number, because 1450040239 - 2¹ = 1450040237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450040237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497529 + ... + 500434.

It is an arithmetic number, because the mean of its divisors is an integer number (362759914).

Almost surely, 2^1450040239 is an apocalyptic number.

1450040239 is a deficient number, since it is larger than the sum of its proper divisors (999417).

1450040239 is an equidigital number, since it uses as much as digits as its factorization.

1450040239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999416.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1450040239 is about 38079.3938896091. The cubic root of 1450040239 is about 1131.8616658800.

The spelling of 1450040239 in words is "one billion, four hundred fifty million, forty thousand, two hundred thirty-nine".