48138039545 has 8 divisors (see below), whose sum is σ = 61163626824. Its totient is φ = 36245112064.

The previous prime is 48138039539. The next prime is 48138039577. The reversal of 48138039545 is 54593083184.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 289102009 + 47848937536 = 17003^2 + 218744^2 .

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 48138039545 - 2³² = 43843072249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48138039493 and 48138039502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283164854 + ... + 283165023.

It is an arithmetic number, because the mean of its divisors is an integer number (7645453353).

Almost surely, 2^48138039545 is an apocalyptic number.

It is an amenable number.

48138039545 is a deficient number, since it is larger than the sum of its proper divisors (13025587279).

48138039545 is a wasteful number, since it uses less digits than its factorization.

48138039545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566329899.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 48138039545 in words is "forty-eight billion, one hundred thirty-eight million, thirty-nine thousand, five hundred forty-five".