1452020251466 has 4 divisors (see below), whose sum is σ = 2178030377202. Its totient is φ = 726010125732.

The previous prime is 1452020251459. The next prime is 1452020251501. The reversal of 1452020251466 is 6641520202541.

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., 1221544405225 + 230475846241 = 1105235^2 + 480079^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363005062865 + ... + 363005062868.

Almost surely, 2^{1452020251466} is an apocalyptic number.

1452020251466 is a deficient number, since it is larger than the sum of its proper divisors (726010125736).

1452020251466 is an equidigital number, since it uses as much as digits as its factorization.

1452020251466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726010125735.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 1452020251466 in words is "one trillion, four hundred fifty-two billion, twenty million, two hundred fifty-one thousand, four hundred sixty-six".