1445190672 has 80 divisors (see below), whose sum is σ = 3964299840. Its totient is φ = 452100096.

The previous prime is 1445190653. The next prime is 1445190679. The reversal of 1445190672 is 2760915441.

It is a super-3 number, since 3×1445190672³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1445190672.

It is not an unprimeable number, because it can be changed into a prime (1445190679) 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 15 ways as a sum of consecutive naturals, for example, 306928 + ... + 311600.

It is an arithmetic number, because the mean of its divisors is an integer number (49553748).

Almost surely, 2^1445190672 is an apocalyptic number.

1445190672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445190672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1982149920).

1445190672 is an abundant number, since it is smaller than the sum of its proper divisors (2519109168).

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

1445190672 is a wasteful number, since it uses less digits than its factorization.

1445190672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080 (or 5074 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1445190672 is about 38015.6635086118. The cubic root of 1445190672 is about 1130.5984435506.

The spelling of 1445190672 in words is "one billion, four hundred forty-five million, one hundred ninety thousand, six hundred seventy-two".