1445917485 has 16 divisors (see below), whose sum is σ = 2346053760. Its totient is φ = 760294080.

The previous prime is 1445917477. The next prime is 1445917493. The reversal of 1445917485 is 5847195441.

It is an interprime number because it is at equal distance from previous prime (1445917477) and next prime (1445917493).

It is not a de Polignac number, because 1445917485 - 2³ = 1445917477 is a prime.

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, 677770 + ... + 679899.

It is an arithmetic number, because the mean of its divisors is an integer number (146628360).

Almost surely, 2^1445917485 is an apocalyptic number.

1445917485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445917485 is a deficient number, since it is larger than the sum of its proper divisors (900136275).

1445917485 is a wasteful number, since it uses less digits than its factorization.

1445917485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357748.

The product of its digits is 806400, while the sum is 48.

The square root of 1445917485 is about 38025.2216956062. The cubic root of 1445917485 is about 1130.7879447114.

It can be divided in two parts, 144591 and 7485, that added together give a triangular number (152076 = T₅₅₁).

The spelling of 1445917485 in words is "one billion, four hundred forty-five million, nine hundred seventeen thousand, four hundred eighty-five".