1445862020 has 12 divisors (see below), whose sum is σ = 3036310284. Its totient is φ = 578344800.

The previous prime is 1445862013. The next prime is 1445862023. The reversal of 1445862020 is 202685441.

It can be written as a sum of positive squares in 2 ways, for example, as 969575044 + 476286976 = 31138^2 + 21824^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1445862023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36146531 + ... + 36146570.

It is an arithmetic number, because the mean of its divisors is an integer number (253025857).

Almost surely, 2^1445862020 is an apocalyptic number.

1445862020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445862020 is an abundant number, since it is smaller than the sum of its proper divisors (1590448264).

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

1445862020 is a wasteful number, since it uses less digits than its factorization.

1445862020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72293110 (or 72293108 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 1445862020 is about 38024.4923700501. The cubic root of 1445862020 is about 1130.7734856209.

The spelling of 1445862020 in words is "one billion, four hundred forty-five million, eight hundred sixty-two thousand, twenty".