1453454434 has 4 divisors (see below), whose sum is σ = 2180181654. Its totient is φ = 726727216.

The previous prime is 1453454413. The next prime is 1453454489. The reversal of 1453454434 is 4344543541.

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., 1279135225 + 174319209 = 35765^2 + 13203^2 .

It is a super-2 number, since 2×1453454434² = 4225059583428520712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453454393 and 1453454402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363363607 + ... + 363363610.

Almost surely, 2^1453454434 is an apocalyptic number.

1453454434 is a deficient number, since it is larger than the sum of its proper divisors (726727220).

1453454434 is an equidigital number, since it uses as much as digits as its factorization.

1453454434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726727219.

The product of its digits is 230400, while the sum is 37.

The square root of 1453454434 is about 38124.1974866357. The cubic root of 1453454434 is about 1132.7493119199.

Adding to 1453454434 its reverse (4344543541), we get a palindrome (5797997975).

The spelling of 1453454434 in words is "one billion, four hundred fifty-three million, four hundred fifty-four thousand, four hundred thirty-four".