1451135243 has 2 divisors, whose sum is σ = 1451135244. Its totient is φ = 1451135242.

The previous prime is 1451135237. The next prime is 1451135261. The reversal of 1451135243 is 3425311541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1451135243 - 2¹⁴ = 1451118859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451135743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725567621 + 725567622.

It is an arithmetic number, because the mean of its divisors is an integer number (725567622).

Almost surely, 2^1451135243 is an apocalyptic number.

1451135243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451135243 is an equidigital number, since it uses as much as digits as its factorization.

1451135243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 1451135243 is about 38093.7690836704. The cubic root of 1451135243 is about 1132.1465042294.

Adding to 1451135243 its reverse (3425311541), we get a palindrome (4876446784).

The spelling of 1451135243 in words is "one billion, four hundred fifty-one million, one hundred thirty-five thousand, two hundred forty-three".