471448137 has 4 divisors (see below), whose sum is σ = 628597520. Its totient is φ = 314298756.

The previous prime is 471448111. The next prime is 471448141. The reversal of 471448137 is 731844174.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 471448137 - 2⁶ = 471448073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 471448095 and 471448104.

It is not an unprimeable number, because it can be changed into a prime (471448177) 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, 78574687 + ... + 78574692.

It is an arithmetic number, because the mean of its divisors is an integer number (157149380).

Almost surely, 2^471448137 is an apocalyptic number.

It is an amenable number.

471448137 is a deficient number, since it is larger than the sum of its proper divisors (157149383).

471448137 is a wasteful number, since it uses less digits than its factorization.

471448137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157149382.

The product of its digits is 75264, while the sum is 39.

The square root of 471448137 is about 21712.8564910285. The cubic root of 471448137 is about 778.2957184106.

The spelling of 471448137 in words is "four hundred seventy-one million, four hundred forty-eight thousand, one hundred thirty-seven".