1299353445 has 48 divisors (see below), whose sum is σ = 2461734912. Its totient is φ = 630115200.

The previous prime is 1299353443. The next prime is 1299353521. The reversal of 1299353445 is 5443539921.

1299353445 is a `hidden beast` number, since 1 + 29 + 93 + 534 + 4 + 5 = 666.

It is not a de Polignac number, because 1299353445 - 2¹ = 1299353443 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 1299353445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299353441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22620 + ... + 55770.

It is an arithmetic number, because the mean of its divisors is an integer number (51286144).

Almost surely, 2^1299353445 is an apocalyptic number.

1299353445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1299353445 is a deficient number, since it is larger than the sum of its proper divisors (1162381467).

1299353445 is a wasteful number, since it uses less digits than its factorization.

1299353445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33242 (or 33239 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 1299353445 is about 36046.5455349053. The cubic root of 1299353445 is about 1091.2119183067.

The spelling of 1299353445 in words is "one billion, two hundred ninety-nine million, three hundred fifty-three thousand, four hundred forty-five".