1445135536 has 40 divisors (see below), whose sum is σ = 3017619360. Its totient is φ = 666479616.

The previous prime is 1445135513. The next prime is 1445135537. The reversal of 1445135536 is 6355315441.

It is a junction number, because it is equal to n+sod(n) for n = 1445135495 and 1445135504.

It is not an unprimeable number, because it can be changed into a prime (1445135537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541341 + ... + 544003.

It is an arithmetic number, because the mean of its divisors is an integer number (75440484).

Almost surely, 2^1445135536 is an apocalyptic number.

1445135536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1445135536 is an abundant number, since it is smaller than the sum of its proper divisors (1572483824).

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

1445135536 is a wasteful number, since it uses less digits than its factorization.

1445135536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293 (or 5287 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 1445135536 is about 38014.9383269262. The cubic root of 1445135536 is about 1130.5840654089.

The spelling of 1445135536 in words is "one billion, four hundred forty-five million, one hundred thirty-five thousand, five hundred thirty-six".