1445012136 has 64 divisors (see below), whose sum is σ = 4063526400. Its totient is φ = 481664880.

The previous prime is 1445012123. The next prime is 1445012183. The reversal of 1445012136 is 6312105441.

It is a happy number.

1445012136 is a `hidden beast` number, since 1 + 445 + 0 + 1 + 213 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23800 + ... + 58791.

It is an arithmetic number, because the mean of its divisors is an integer number (63492600).

Almost surely, 2^1445012136 is an apocalyptic number.

It is an amenable number.

1445012136 is an abundant number, since it is smaller than the sum of its proper divisors (2618514264).

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

1445012136 is an frugal number, since it uses more digits than its factorization.

1445012136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82618 (or 82596 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1445012136 is about 38013.3152461082. The cubic root of 1445012136 is about 1130.5518843340.

Adding to 1445012136 its reverse (6312105441), we get a palindrome (7757117577).

The spelling of 1445012136 in words is "one billion, four hundred forty-five million, twelve thousand, one hundred thirty-six".