1445244471 has 64 divisors (see below), whose sum is σ = 2412748800. Its totient is φ = 847519200.

The previous prime is 1445244431. The next prime is 1445244473. The reversal of 1445244471 is 1744425441.

1445244471 is a `hidden beast` number, since 144 + 5 + 2 + 44 + 471 = 666.

It is not a de Polignac number, because 1445244471 - 2⁹ = 1445243959 is a prime.

It is a super-3 number, since 3×1445244471³ (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 (1445244473) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1173426 + ... + 1174656.

It is an arithmetic number, because the mean of its divisors is an integer number (37699200).

Almost surely, 2^1445244471 is an apocalyptic number.

1445244471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1445244471 is a deficient number, since it is larger than the sum of its proper divisors (967504329).

1445244471 is a wasteful number, since it uses less digits than its factorization.

1445244471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1371 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 1445244471 is about 38016.3710919388. The cubic root of 1445244471 is about 1130.6124726823.

The spelling of 1445244471 in words is "one billion, four hundred forty-five million, two hundred forty-four thousand, four hundred seventy-one".