1445780106 has 48 divisors (see below), whose sum is σ = 3258028800. Its totient is φ = 462949344.

The previous prime is 1445780101. The next prime is 1445780117. The reversal of 1445780106 is 6010875441.

It is a happy number.

It is a super-2 number, since 2×1445780106² = 4180560229810742472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445780101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38875 + ... + 66353.

It is an arithmetic number, because the mean of its divisors is an integer number (67875600).

Almost surely, 2^1445780106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445780106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629014400).

1445780106 is an abundant number, since it is smaller than the sum of its proper divisors (1812248694).

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

1445780106 is a wasteful number, since it uses less digits than its factorization.

1445780106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27603 (or 27600 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1445780106 is about 38023.4152332481. The cubic root of 1445780106 is about 1130.7521309026.

The spelling of 1445780106 in words is "one billion, four hundred forty-five million, seven hundred eighty thousand, one hundred six".