1453325218 has 8 divisors (see below), whose sum is σ = 2180787948. Its totient is φ = 726395904.

The previous prime is 1453325191. The next prime is 1453325239. The reversal of 1453325218 is 8125233541.

It can be written as a sum of positive squares in 2 ways, for example, as 993951729 + 459373489 = 31527^2 + 21433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1453325218² = 4224308378549495048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126471 + ... + 137482.

Almost surely, 2^1453325218 is an apocalyptic number.

1453325218 is a deficient number, since it is larger than the sum of its proper divisors (727462730).

1453325218 is a wasteful number, since it uses less digits than its factorization.

1453325218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266708.

The product of its digits is 28800, while the sum is 34.

The square root of 1453325218 is about 38122.5027772312. The cubic root of 1453325218 is about 1132.7157427737.

Adding to 1453325218 its reverse (8125233541), we get a palindrome (9578558759).

The spelling of 1453325218 in words is "one billion, four hundred fifty-three million, three hundred twenty-five thousand, two hundred eighteen".