4478132145 has 8 divisors (see below), whose sum is σ = 7165011456. Its totient is φ = 2388337136.

The previous prime is 4478132123. The next prime is 4478132147. The reversal of 4478132145 is 5412318744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4478132145 - 2⁶ = 4478132081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4478132147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149271057 + ... + 149271086.

It is an arithmetic number, because the mean of its divisors is an integer number (895626432).

Almost surely, 2^4478132145 is an apocalyptic number.

It is an amenable number.

4478132145 is a deficient number, since it is larger than the sum of its proper divisors (2686879311).

4478132145 is a wasteful number, since it uses less digits than its factorization.

4478132145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298542151.

The product of its digits is 107520, while the sum is 39.

The square root of 4478132145 is about 66918.8474572000. The cubic root of 4478132145 is about 1648.2849820233.

The spelling of 4478132145 in words is "four billion, four hundred seventy-eight million, one hundred thirty-two thousand, one hundred forty-five".