1445553675 has 48 divisors (see below), whose sum is σ = 2659294080. Its totient is φ = 769871520.

The previous prime is 1445553671. The next prime is 1445553677. The reversal of 1445553675 is 5763555441.

1445553675 is a `hidden beast` number, since 1 + 4 + 45 + 5 + 536 + 75 = 666.

It is not a de Polignac number, because 1445553675 - 2² = 1445553671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1445553675.

It is not an unprimeable number, because it can be changed into a prime (1445553671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 757072 + ... + 758978.

It is an arithmetic number, because the mean of its divisors is an integer number (55401960).

Almost surely, 2^1445553675 is an apocalyptic number.

1445553675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1445553675 is a deficient number, since it is larger than the sum of its proper divisors (1213740405).

1445553675 is a wasteful number, since it uses less digits than its factorization.

1445553675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049 (or 3038 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The square root of 1445553675 is about 38020.4375961140. The cubic root of 1445553675 is about 1130.6930968668.

The spelling of 1445553675 in words is "one billion, four hundred forty-five million, five hundred fifty-three thousand, six hundred seventy-five".