1445557071433 has 4 divisors (see below), whose sum is σ = 1454425519888. Its totient is φ = 1436688622980.

The previous prime is 1445557071421. The next prime is 1445557071473. The reversal of 1445557071433 is 3341707555441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1445557071433 - 2¹³ = 1445557063241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445557071403) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4434223983 + ... + 4434224308.

It is an arithmetic number, because the mean of its divisors is an integer number (363606379972).

Almost surely, 2^{1445557071433} is an apocalyptic number.

It is an amenable number.

1445557071433 is a deficient number, since it is larger than the sum of its proper divisors (8868448455).

1445557071433 is an equidigital number, since it uses as much as digits as its factorization.

1445557071433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868448454.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 1445557071433 in words is "one trillion, four hundred forty-five billion, five hundred fifty-seven million, seventy-one thousand, four hundred thirty-three".