1445045500 has 24 divisors (see below), whose sum is σ = 3155980464. Its totient is φ = 578018000.

The previous prime is 1445045447. The next prime is 1445045507. The reversal of 1445045500 is 55405441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445045507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444546 + ... + 1445545.

It is an arithmetic number, because the mean of its divisors is an integer number (131499186).

Almost surely, 2^1445045500 is an apocalyptic number.

1445045500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445045500 is an abundant number, since it is smaller than the sum of its proper divisors (1710934964).

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

1445045500 is a wasteful number, since it uses less digits than its factorization.

1445045500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890110 (or 2890098 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 1445045500 is about 38013.7540898028. The cubic root of 1445045500 is about 1130.5605854011.

The spelling of 1445045500 in words is "one billion, four hundred forty-five million, forty-five thousand, five hundred".