6281229145 has 16 divisors (see below), whose sum is σ = 7814057472. Its totient is φ = 4841988480.

The previous prime is 6281229079. The next prime is 6281229167. The reversal of 6281229145 is 5419221826.

It is a happy number.

It is not a de Polignac number, because 6281229145 - 2¹¹ = 6281227097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6281229098 and 6281229107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50847 + ... + 123076.

It is an arithmetic number, because the mean of its divisors is an integer number (488378592).

Almost surely, 2^6281229145 is an apocalyptic number.

It is an amenable number.

6281229145 is a deficient number, since it is larger than the sum of its proper divisors (1532828327).

6281229145 is a wasteful number, since it uses less digits than its factorization.

6281229145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174192.

The product of its digits is 69120, while the sum is 40.

The square root of 6281229145 is about 79254.2058505415. The cubic root of 6281229145 is about 1845.0786310106.

The spelling of 6281229145 in words is "six billion, two hundred eighty-one million, two hundred twenty-nine thousand, one hundred forty-five".