1445084978 has 8 divisors (see below), whose sum is σ = 2167945068. Its totient is φ = 722436624.

The previous prime is 1445084959. The next prime is 1445084989. The reversal of 1445084978 is 8794805441.

It can be written as a sum of positive squares in 2 ways, for example, as 1374407329 + 70677649 = 37073^2 + 8407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34601 + ... + 63932.

Almost surely, 2^1445084978 is an apocalyptic number.

1445084978 is a deficient number, since it is larger than the sum of its proper divisors (722860090).

1445084978 is an equidigital number, since it uses as much as digits as its factorization.

1445084978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105868.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 1445084978 is about 38014.2733456790. The cubic root of 1445084978 is about 1130.5708807780.

The spelling of 1445084978 in words is "one billion, four hundred forty-five million, eighty-four thousand, nine hundred seventy-eight".