1445341420 has 48 divisors (see below), whose sum is σ = 3089963520. Its totient is φ = 567762624.

The previous prime is 1445341379. The next prime is 1445341421. The reversal of 1445341420 is 241435441.

It is not an unprimeable number, because it can be changed into a prime (1445341421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490311 + ... + 493249.

It is an arithmetic number, because the mean of its divisors is an integer number (64374240).

Almost surely, 2^1445341420 is an apocalyptic number.

1445341420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445341420 is an abundant number, since it is smaller than the sum of its proper divisors (1644622100).

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

1445341420 is a wasteful number, since it uses less digits than its factorization.

1445341420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1445341420 is about 38017.6461659582. The cubic root of 1445341420 is about 1130.6377531337.

Adding to 1445341420 its reverse (241435441), we get a palindrome (1686776861).

The spelling of 1445341420 in words is "one billion, four hundred forty-five million, three hundred forty-one thousand, four hundred twenty".