1445251080 has 512 divisors, whose sum is σ = 5668992000. Its totient is φ = 292626432.

The previous prime is 1445251063. The next prime is 1445251091. The reversal of 1445251080 is 801525441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19797924 + ... + 19797996.

It is an arithmetic number, because the mean of its divisors is an integer number (11072250).

Almost surely, 2^1445251080 is an apocalyptic number.

1445251080 is a gapful number since it is divisible by the number (10) 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 1445251080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2834496000).

1445251080 is an abundant number, since it is smaller than the sum of its proper divisors (4223740920).

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

1445251080 is a wasteful number, since it uses less digits than its factorization.

1445251080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 1445251080 is about 38016.4580149177. The cubic root of 1445251080 is about 1130.6141960831.

The spelling of 1445251080 in words is "one billion, four hundred forty-five million, two hundred fifty-one thousand, eighty".