1452707438 has 24 divisors (see below), whose sum is σ = 2696661648. Its totient is φ = 574696512.

The previous prime is 1452707437. The next prime is 1452707447. The reversal of 1452707438 is 8347072541.

It is a super-2 number, since 2×1452707438² = 4220717800841047688, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1452707395 and 1452707404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452707437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304631 + ... + 309362.

It is an arithmetic number, because the mean of its divisors is an integer number (112360902).

Almost surely, 2^1452707438 is an apocalyptic number.

1452707438 is a deficient number, since it is larger than the sum of its proper divisors (1243954210).

1452707438 is a wasteful number, since it uses less digits than its factorization.

1452707438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614028 (or 614015 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 1452707438 is about 38114.3993524757. The cubic root of 1452707438 is about 1132.5552216233. Note that the first 3 decimals are identical.

Adding to 1452707438 its reverse (8347072541), we get a palindrome (9799779979).

The spelling of 1452707438 in words is "one billion, four hundred fifty-two million, seven hundred seven thousand, four hundred thirty-eight".