4749299145 has 24 divisors (see below), whose sum is σ = 8233734600. Its totient is φ = 2532462336.

The previous prime is 4749299089. The next prime is 4749299153. The reversal of 4749299145 is 5419929474.

4749299145 is a `hidden beast` number, since 4 + 7 + 492 + 9 + 9 + 145 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3531568329 + 1217730816 = 59427^2 + 34896^2 .

It is not a de Polignac number, because 4749299145 - 2¹⁴ = 4749282761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4749299091 and 4749299100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400461 + ... + 412149.

It is an arithmetic number, because the mean of its divisors is an integer number (343072275).

Almost surely, 2^4749299145 is an apocalyptic number.

4749299145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4749299145 is a deficient number, since it is larger than the sum of its proper divisors (3484435455).

4749299145 is a wasteful number, since it uses less digits than its factorization.

4749299145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20729 (or 20726 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 4749299145 is about 68915.1590363107. The cubic root of 4749299145 is about 1680.9050236391.

The spelling of 4749299145 in words is "four billion, seven hundred forty-nine million, two hundred ninety-nine thousand, one hundred forty-five".