1445556914670 has 32 divisors (see below), whose sum is σ = 3784730832000. Its totient is φ = 350438039840.

The previous prime is 1445556914609. The next prime is 1445556914719. The reversal of 1445556914670 is 764196555441.

It is a super-2 number, since 2×1445556914670² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1445556914670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2190237420 + ... + 2190238079.

It is an arithmetic number, because the mean of its divisors is an integer number (118272838500).

Almost surely, 2^{1445556914670} is an apocalyptic number.

1445556914670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445556914670 is an abundant number, since it is smaller than the sum of its proper divisors (2339173917330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445556914670 is a wasteful number, since it uses less digits than its factorization.

1445556914670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380475520.

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 1445556914670 in words is "one trillion, four hundred forty-five billion, five hundred fifty-six million, nine hundred fourteen thousand, six hundred seventy".