4448156147 has 4 divisors (see below), whose sum is σ = 4450760640. Its totient is φ = 4445551656.

The previous prime is 4448156129. The next prime is 4448156201. The reversal of 4448156147 is 7416518444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4448156147 - 2⁸ = 4448155891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4448156098 and 4448156107.

It is not an unprimeable number, because it can be changed into a prime (4448156347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1299683 + ... + 1303100.

It is an arithmetic number, because the mean of its divisors is an integer number (1112690160).

Almost surely, 2^4448156147 is an apocalyptic number.

4448156147 is a deficient number, since it is larger than the sum of its proper divisors (2604493).

4448156147 is a wasteful number, since it uses less digits than its factorization.

4448156147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604492.

The product of its digits is 430080, while the sum is 44.

The square root of 4448156147 is about 66694.4986261985. The cubic root of 4448156147 is about 1644.5989478177.

The spelling of 4448156147 in words is "four billion, four hundred forty-eight million, one hundred fifty-six thousand, one hundred forty-seven".