47146138545 has 32 divisors (see below), whose sum is σ = 83019717504. Its totient is φ = 22656435200.

The previous prime is 47146138517. The next prime is 47146138609. The reversal of 47146138545 is 54583164174.

It is not a de Polignac number, because 47146138545 - 2⁹ = 47146138033 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47146138494 and 47146138503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1245666 + ... + 1282955.

It is an arithmetic number, because the mean of its divisors is an integer number (2594366172).

Almost surely, 2^47146138545 is an apocalyptic number.

It is an amenable number.

47146138545 is a deficient number, since it is larger than the sum of its proper divisors (35873578959).

47146138545 is a wasteful number, since it uses less digits than its factorization.

47146138545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528753.

The product of its digits is 1612800, while the sum is 48.

The spelling of 47146138545 in words is "forty-seven billion, one hundred forty-six million, one hundred thirty-eight thousand, five hundred forty-five".