1445462928 has 320 divisors, whose sum is σ = 5179668480. Its totient is φ = 375777792.

The previous prime is 1445462917. The next prime is 1445462929. The reversal of 1445462928 is 8292645441.

It is a happy number.

1445462928 is a `hidden beast` number, since 14 + 4 + 5 + 4 + 629 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1445462929) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3262675 + ... + 3263117.

It is an arithmetic number, because the mean of its divisors is an integer number (16186464).

Almost surely, 2^1445462928 is an apocalyptic number.

1445462928 is a gapful number since it is divisible by the number (18) 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 1445462928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2589834240).

1445462928 is an abundant number, since it is smaller than the sum of its proper divisors (3734205552).

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

1445462928 is a wasteful number, since it uses less digits than its factorization.

1445462928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 551 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 1445462928 is about 38019.2441797572. The cubic root of 1445462928 is about 1130.6694360012.

The spelling of 1445462928 in words is "one billion, four hundred forty-five million, four hundred sixty-two thousand, nine hundred twenty-eight".