1451231434 has 4 divisors (see below), whose sum is σ = 2176847154. Its totient is φ = 725615716.

The previous prime is 1451231399. The next prime is 1451231447. The reversal of 1451231434 is 4341321541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1028805625 + 422425809 = 32075^2 + 20553^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362807857 + ... + 362807860.

Almost surely, 2^1451231434 is an apocalyptic number.

1451231434 is a deficient number, since it is larger than the sum of its proper divisors (725615720).

1451231434 is an equidigital number, since it uses as much as digits as its factorization.

1451231434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725615719.

The product of its digits is 5760, while the sum is 28.

The square root of 1451231434 is about 38095.0316183095. The cubic root of 1451231434 is about 1132.1715191039.

Adding to 1451231434 its reverse (4341321541), we get a palindrome (5792552975).

The spelling of 1451231434 in words is "one billion, four hundred fifty-one million, two hundred thirty-one thousand, four hundred thirty-four".