1445020808 has 96 divisors (see below), whose sum is σ = 3588805440. Its totient is φ = 529812480.

The previous prime is 1445020777. The next prime is 1445020831. The reversal of 1445020808 is 8080205441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173966 + ... + 182082.

It is an arithmetic number, because the mean of its divisors is an integer number (37383390).

Almost surely, 2^1445020808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445020808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1794402720).

1445020808 is an abundant number, since it is smaller than the sum of its proper divisors (2143784632).

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

1445020808 is a wasteful number, since it uses less digits than its factorization.

1445020808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8175 (or 8154 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 1445020808 is about 38013.4293112316. The cubic root of 1445020808 is about 1130.5541459358.

It can be divided in two parts, 14450 and 20808, that multiplied together give a square (300675600 = 17340²).

The spelling of 1445020808 in words is "one billion, four hundred forty-five million, twenty thousand, eight hundred eight".