1445154964 has 24 divisors (see below), whose sum is σ = 2772953568. Its totient is φ = 653550240.

The previous prime is 1445154923. The next prime is 1445154967. The reversal of 1445154964 is 4694515441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445154964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445154967) 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, 74694 + ... + 92029.

It is an arithmetic number, because the mean of its divisors is an integer number (115539732).

Almost surely, 2^1445154964 is an apocalyptic number.

It is an amenable number.

1445154964 is a deficient number, since it is larger than the sum of its proper divisors (1327798604).

1445154964 is a wasteful number, since it uses less digits than its factorization.

1445154964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166935 (or 166933 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 1445154964 is about 38015.1938571935. The cubic root of 1445154964 is about 1130.5891318054.

The spelling of 1445154964 in words is "one billion, four hundred forty-five million, one hundred fifty-four thousand, nine hundred sixty-four".