1445068818 has 24 divisors (see below), whose sum is σ = 3215605068. Its totient is φ = 468670752.

The previous prime is 1445068777. The next prime is 1445068819. The reversal of 1445068818 is 8188605441.

It can be written as a sum of positive squares in 2 ways, for example, as 1165744449 + 279324369 = 34143^2 + 16713^2 .

It is not an unprimeable number, because it can be changed into a prime (1445068819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1084221 + ... + 1085552.

Almost surely, 2^1445068818 is an apocalyptic number.

1445068818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1445068818 is an abundant number, since it is smaller than the sum of its proper divisors (1770536250).

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

1445068818 is a wasteful number, since it uses less digits than its factorization.

1445068818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169818 (or 2169815 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 1445068818 is about 38014.0607933433. The cubic root of 1445068818 is about 1130.5666664714.

It can be divided in two parts, 14450688 and 18, that multiplied together give a square (260112384 = 16128²).

The spelling of 1445068818 in words is "one billion, four hundred forty-five million, sixty-eight thousand, eight hundred eighteen".