1453447474 has 4 divisors (see below), whose sum is σ = 2180171214. Its totient is φ = 726723736.

The previous prime is 1453447459. The next prime is 1453447481. The reversal of 1453447474 is 4747443541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4747443541 = 269 ⋅17648489.

It can be written as a sum of positive squares in only one way, i.e., 1433152449 + 20295025 = 37857^2 + 4505^2 .

It is a super-2 number, since 2×1453447474² = 4225019119353961352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453447474.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363361867 + ... + 363361870.

Almost surely, 2^1453447474 is an apocalyptic number.

1453447474 is a deficient number, since it is larger than the sum of its proper divisors (726723740).

1453447474 is an equidigital number, since it uses as much as digits as its factorization.

1453447474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726723739.

The product of its digits is 752640, while the sum is 43.

The square root of 1453447474 is about 38124.1062059165. The cubic root of 1453447474 is about 1132.7475038256.

The spelling of 1453447474 in words is "one billion, four hundred fifty-three million, four hundred forty-seven thousand, four hundred seventy-four".