1445435340 has 48 divisors (see below), whose sum is σ = 4156609632. Its totient is φ = 375031296.

The previous prime is 1445435339. The next prime is 1445435363. The reversal of 1445435340 is 435345441.

It is a happy number.

1445435340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323329 + ... + 327768.

It is an arithmetic number, because the mean of its divisors is an integer number (86596034).

Almost surely, 2^1445435340 is an apocalyptic number.

1445435340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445435340 is an abundant number, since it is smaller than the sum of its proper divisors (2711174292).

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

1445435340 is a wasteful number, since it uses less digits than its factorization.

1445435340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651146 (or 651144 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 1445435340 is about 38018.8813617655. The cubic root of 1445435340 is about 1130.6622426640.

It can be divided in two parts, 14454 and 35340, that added together give a palindrome (49794).

The spelling of 1445435340 in words is "one billion, four hundred forty-five million, four hundred thirty-five thousand, three hundred forty".