1445575020 has 24 divisors (see below), whose sum is σ = 4047610224. Its totient is φ = 385486656.

The previous prime is 1445574997. The next prime is 1445575051. The reversal of 1445575020 is 205755441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12046399 + ... + 12046518.

It is an arithmetic number, because the mean of its divisors is an integer number (168650426).

Almost surely, 2^1445575020 is an apocalyptic number.

1445575020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445575020 is an abundant number, since it is smaller than the sum of its proper divisors (2602035204).

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

1445575020 is a wasteful number, since it uses less digits than its factorization.

1445575020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24092929 (or 24092927 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 1445575020 is about 38020.7182993694. The cubic root of 1445575020 is about 1130.6986620990.

The spelling of 1445575020 in words is "one billion, four hundred forty-five million, five hundred seventy-five thousand, twenty".