1445454022 has 4 divisors (see below), whose sum is σ = 2168181036. Its totient is φ = 722727010.

The previous prime is 1445454011. The next prime is 1445454037. The reversal of 1445454022 is 2204545441.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361363504 + ... + 361363507.

It is an arithmetic number, because the mean of its divisors is an integer number (542045259).

Almost surely, 2^1445454022 is an apocalyptic number.

1445454022 is a deficient number, since it is larger than the sum of its proper divisors (722727014).

1445454022 is an equidigital number, since it uses as much as digits as its factorization.

1445454022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722727013.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 1445454022 is about 38019.1270546813. The cubic root of 1445454022 is about 1130.6671138472.

Adding to 1445454022 its reverse (2204545441), we get a palindrome (3649999463).

The spelling of 1445454022 in words is "one billion, four hundred forty-five million, four hundred fifty-four thousand, twenty-two".