1445677894 has 16 divisors (see below), whose sum is σ = 2211356736. Its totient is φ = 708661800.

The previous prime is 1445677867. The next prime is 1445677897. The reversal of 1445677894 is 4987765441.

It is a super-3 number, since 3×1445677894³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445677897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2709 + ... + 53839.

It is an arithmetic number, because the mean of its divisors is an integer number (138209796).

Almost surely, 2^1445677894 is an apocalyptic number.

1445677894 is a deficient number, since it is larger than the sum of its proper divisors (765678842).

1445677894 is a wasteful number, since it uses less digits than its factorization.

1445677894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51411.

The product of its digits is 6773760, while the sum is 55.

The square root of 1445677894 is about 38022.0711429559. The cubic root of 1445677894 is about 1130.7254834292.

The spelling of 1445677894 in words is "one billion, four hundred forty-five million, six hundred seventy-seven thousand, eight hundred ninety-four".