1453240322 has 4 divisors (see below), whose sum is σ = 2179860486. Its totient is φ = 726620160.

The previous prime is 1453240307. The next prime is 1453240333. The reversal of 1453240322 is 2230423541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2230423541 = 34981 ⋅63761.

It can be written as a sum of positive squares in only one way, i.e., 1444836121 + 8404201 = 38011^2 + 2899^2 .

It is a super-2 number, since 2×1453240322² = 4223814866973327368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453240291 and 1453240300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363310079 + ... + 363310082.

Almost surely, 2^1453240322 is an apocalyptic number.

1453240322 is a deficient number, since it is larger than the sum of its proper divisors (726620164).

1453240322 is an equidigital number, since it uses as much as digits as its factorization.

1453240322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726620163.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1453240322 is about 38121.3892978732. The cubic root of 1453240322 is about 1132.6936864790.

Adding to 1453240322 its reverse (2230423541), we get a palindrome (3683663863).

The spelling of 1453240322 in words is "one billion, four hundred fifty-three million, two hundred forty thousand, three hundred twenty-two".