1445145600 has 264 divisors, whose sum is σ = 4938477568. Its totient is φ = 372326400.

The previous prime is 1445145589. The next prime is 1445145601. The reversal of 1445145600 is 65415441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445145601) 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, 2380497 + ... + 2381103.

Almost surely, 2^1445145600 is an apocalyptic number.

1445145600 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 1445145600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2469238784).

1445145600 is an abundant number, since it is smaller than the sum of its proper divisors (3493331968).

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

1445145600 is a wasteful number, since it uses less digits than its factorization.

1445145600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1445145600 is about 38015.0706957122. The cubic root of 1445145600 is about 1130.5866898851.

The spelling of 1445145600 in words is "one billion, four hundred forty-five million, one hundred forty-five thousand, six hundred".