1453434002 has 4 divisors (see below), whose sum is σ = 2180151006. Its totient is φ = 726717000.

The previous prime is 1453434001. The next prime is 1453434053. The reversal of 1453434002 is 2004343541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2004343541 = 641 ⋅3126901.

It can be written as a sum of positive squares in only one way, i.e., 1358585881 + 94848121 = 36859^2 + 9739^2 .

It is a super-2 number, since 2×1453434002² = 4224940796339472008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453434001) by changing a digit.

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, 363358499 + ... + 363358502.

Almost surely, 2^1453434002 is an apocalyptic number.

1453434002 is a deficient number, since it is larger than the sum of its proper divisors (726717004).

1453434002 is an equidigital number, since it uses as much as digits as its factorization.

1453434002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726717003.

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

The square root of 1453434002 is about 38123.9295193977. The cubic root of 1453434002 is about 1132.7440040038.

Adding to 1453434002 its reverse (2004343541), we get a palindrome (3457777543).

The spelling of 1453434002 in words is "one billion, four hundred fifty-three million, four hundred thirty-four thousand, two".