1445746000 has 80 divisors (see below), whose sum is σ = 3577324608. Its totient is φ = 564816000.

The previous prime is 1445745997. The next prime is 1445746009. The reversal of 1445746000 is 6475441.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445746009) 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, 77595 + ... + 94405.

Almost surely, 2^1445746000 is an apocalyptic number.

1445746000 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 1445746000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788662304).

1445746000 is an abundant number, since it is smaller than the sum of its proper divisors (2131578608).

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

1445746000 is a wasteful number, since it uses less digits than its factorization.

1445746000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16877 (or 16861 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1445746000 is about 38022.9667437984. The cubic root of 1445746000 is about 1130.7432393394.

The spelling of 1445746000 in words is "one billion, four hundred forty-five million, seven hundred forty-six thousand".