1445652640146 has 48 divisors (see below), whose sum is σ = 3415441874400. Its totient is φ = 404378357760.

The previous prime is 1445652640129. The next prime is 1445652640181. The reversal of 1445652640146 is 6410462565441.

It is a super-2 number, since 2×1445652640146² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1445652640095 and 1445652640104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64793071 + ... + 64815378.

It is an arithmetic number, because the mean of its divisors is an integer number (71155039050).

Almost surely, 2^{1445652640146} is an apocalyptic number.

1445652640146 is an abundant number, since it is smaller than the sum of its proper divisors (1969789234254).

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

1445652640146 is a wasteful number, since it uses less digits than its factorization.

1445652640146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129608491 (or 129608478 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 1445652640146 in words is "one trillion, four hundred forty-five billion, six hundred fifty-two million, six hundred forty thousand, one hundred forty-six".