1445145255 has 48 divisors (see below), whose sum is σ = 2596932000. Its totient is φ = 742549248.

The previous prime is 1445145253. The next prime is 1445145257. The reversal of 1445145255 is 5525415441.

1445145255 is a `hidden beast` number, since 1 + 44 + 514 + 52 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (1445145253) and next prime (1445145257).

It is not a de Polignac number, because 1445145255 - 2¹ = 1445145253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445145253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 806901 + ... + 808689.

It is an arithmetic number, because the mean of its divisors is an integer number (54102750).

Almost surely, 2^1445145255 is an apocalyptic number.

1445145255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1445145255 is a deficient number, since it is larger than the sum of its proper divisors (1151786745).

1445145255 is a wasteful number, since it uses less digits than its factorization.

1445145255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448 (or 2445 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 1445145255 is about 38015.0661580379. The cubic root of 1445145255 is about 1130.5865999167.

It can be divided in two parts, 144514 and 5255, that added together give a square (149769 = 387²).

The spelling of 1445145255 in words is "one billion, four hundred forty-five million, one hundred forty-five thousand, two hundred fifty-five".