1493133345 has 60 divisors (see below), whose sum is σ = 2942122260. Its totient is φ = 723919680.

The previous prime is 1493133311. The next prime is 1493133347. The reversal of 1493133345 is 5433313941.

It is a happy number.

1493133345 is a `hidden beast` number, since 1 + 4 + 9 + 313 + 334 + 5 = 666.

1493133345 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 657460881 + 835672464 = 25641^2 + 28908^2 .

It is not a de Polignac number, because 1493133345 - 2⁶ = 1493133281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493133347) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 33771 + ... + 64239.

It is an arithmetic number, because the mean of its divisors is an integer number (49035371).

Almost surely, 2^1493133345 is an apocalyptic number.

1493133345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1493133345 is a deficient number, since it is larger than the sum of its proper divisors (1448988915).

1493133345 is a wasteful number, since it uses less digits than its factorization.

1493133345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30508 (or 30488 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 1493133345 is about 38641.0836416372. The cubic root of 1493133345 is about 1142.9648241805.

The spelling of 1493133345 in words is "one billion, four hundred ninety-three million, one hundred thirty-three thousand, three hundred forty-five".