1445888894 has 8 divisors (see below), whose sum is σ = 2179112808. Its totient is φ = 719517960.

The previous prime is 1445888863. The next prime is 1445888897. The reversal of 1445888894 is 4988885441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445888897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712717 + ... + 1713560.

It is an arithmetic number, because the mean of its divisors is an integer number (272389101).

Almost surely, 2^1445888894 is an apocalyptic number.

1445888894 is a deficient number, since it is larger than the sum of its proper divisors (733223914).

1445888894 is a wasteful number, since it uses less digits than its factorization.

1445888894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426490.

The product of its digits is 11796480, while the sum is 59.

The square root of 1445888894 is about 38024.8457459067. The cubic root of 1445888894 is about 1130.7804914112.

The spelling of 1445888894 in words is "one billion, four hundred forty-five million, eight hundred eighty-eight thousand, eight hundred ninety-four".