1453444543202 has 4 divisors (see below), whose sum is σ = 2180166814806. Its totient is φ = 726722271600.

The previous prime is 1453444543193. The next prime is 1453444543223. The reversal of 1453444543202 is 2023454443541.

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., 1292971393921 + 160473149281 = 1137089^2 + 400591^2 .

It is a super-2 number, since 2×1453444543202² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453444543202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363361135799 + ... + 363361135802.

Almost surely, 2^{1453444543202} is an apocalyptic number.

1453444543202 is a deficient number, since it is larger than the sum of its proper divisors (726722271604).

1453444543202 is an equidigital number, since it uses as much as digits as its factorization.

1453444543202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726722271603.

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 1453444543202 its reverse (2023454443541), we get a palindrome (3476898986743).

The spelling of 1453444543202 in words is "one trillion, four hundred fifty-three billion, four hundred forty-four million, five hundred forty-three thousand, two hundred two".