1445084172 has 96 divisors (see below), whose sum is σ = 4287933440. Its totient is φ = 412283520.

The previous prime is 1445084143. The next prime is 1445084213. The reversal of 1445084172 is 2714805441.

It is a happy number.

1445084172 is a `hidden beast` number, since 1 + 44 + 508 + 41 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 997953 + ... + 999399.

Almost surely, 2^1445084172 is an apocalyptic number.

1445084172 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 1445084172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2143966720).

1445084172 is an abundant number, since it is smaller than the sum of its proper divisors (2842849268).

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

1445084172 is a wasteful number, since it uses less digits than its factorization.

1445084172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 1445084172 is about 38014.2627443963. The cubic root of 1445084172 is about 1130.5706705850.

The spelling of 1445084172 in words is "one billion, four hundred forty-five million, eighty-four thousand, one hundred seventy-two".